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Description
Garmin Instinct 2 Solar - Tactical EditionThis rugged GPS smartwatch is equipped with tactical specific features and has solar charging to keep you going. Tactical specific features include night vision compatibility and more for field ops. Military standard toughness means no holding back. Train your way with built in sports apps at the wrist. Push boundaries, but stay on track with access to more satellites. Understand your body better with 24 7 health monitoring. Stay on the mission until
This rugged GPS smartwatch is equipped with tactical-specific features and has solar charging to keep you going.
Tactical-specific features include night vision compatibility and more for field ops.
Military standard toughness means no holding back.
Train your way with built-in sports apps at the wrist.
Push boundaries, but stay on track with access to more satellites.
Understand your body better with 24/7 health monitoring.
Stay on the mission until it’s done with unlimited battery life in smartwatch mode with solar charging.
Physical & Performance
| Display Size | Custom, two-window design; 0.9″ x 0.9″ (23 x 23 mm) |
| Display Resolution | 176 x 176 pixels |
| GPS | Yes |
| Weight | 53 g |
| Display Type | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) |
| Battery life | Smartwatch: Up to 28 days/Unlimited with solar*
Battery Saver Watch Mode: Up to 65 days/Unlimited with solar* GPS: Up to 30 hours/48 hours with solar** Max Battery GPS Mode: Up to 70 hours/370 hours with solar** Expedition GPS Activity: Up to 32 days/Unlimited with solar* *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions |
Maps & Navigation
| Memory/History | 32 MB |
Features
| Pairs with Garmin Golf app | Yes |
| STR3AMUP! PC tool for streaming biometrics | No |
| Auto lap splits | No |
| “Repeat on” rest timer (pool swim only) | Yes |
| 3-axis compass with HSI (horizontal situation indicator) | No |
| Touch and/or button lock | Yes |
| Pilates workouts | No |
| Preloaded ski resort maps | No |
| GPS coordinates | Yes |
| Wind speed and direction (requires connection to Garmin Golf app) | No |
| Live Event Sharing | No |
| Lap Time Repeatability Score (LTR) | No |
| Air integration | No |
| Audio prompts | Yes |
| Sleep | Yes |
| Auto CourseView updates | Yes |
| Downloadable training plans | Yes |
| Measures shot distance (calculates exact yardage for shots from anywhere on course) | manual |
| Battery saver (customizable low power watch) | Yes |
| Closed Circuit Rebreather (CCR) | No |
| Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim) | Yes |
| Compatible with Varia™ radar (rear-facing radar) | No |
| Swing Tempo | No |
| Task timers (2, 5, 10, 15, 20 and 30 minutes) | No |
| Plays and controls watch music | No |
| APNEA mode | No |
| Pool swim workouts | Yes |
| Assistance Plus | No |
| Multi-gas mode | No |
| Kill switch | Yes |
| Race an Activity | Yes |
| Hot keys | Yes |
| Single-gas mode | No |
| Activity history on watch | Yes |
| On-screen workout animations | No |
| Ground contact time and balance | yes (with compatible accessory) |
| Auto max HR | Yes |
| Critical swim speed | No |
| Daily suggested workouts | Yes |
| Training load focus | No |
| Compatible with Varia Vision™ (head-mounted display) | No |
| HR alerts | Yes |
| Foot pod capable | Yes |
| Compatible with Vector™ and Rally™ (power meters) | Yes |
| Training Effect (anaerobic) | Yes |
| Abnormal Heart Rate Alerts | yes (high and low) |
| Phone-free text messaging | No |
| Tournament legal | Yes |
| Vertical speed | Yes |
| Lactate threshold | yes (with compatible accessory) |
| Customizable data pages | Yes |
| Number of transmitters supported | No |
| MTB Grit & Flow | Yes |
| Race an activity | Yes |
| Finish time | Yes |
| Elevation profile | Yes |
| Configurable lap alerts | Yes |
| Automatic sync (automatically transfers data to Garmin Connect) | No |
| Incident Detection during select activities | Yes |
| PlaysLike distance | No |
| Virtual Partner | Yes |
| VO2 Max (Run) | Yes |
| Relaxation reminders | No |
| Reminder alerts | No |
| Physio TrueUp | Yes |
| Custom alerts | Yes |
| NEXRAD on moving map | No |
| Back to start | Yes |
| Vertical oscillation and ratio | yes (with compatible accessory) |
| Training Load | Yes |
| Altimeter with adjustable baro setting | No |
| Physical size | 45 x 45 x 14.60 mm Fits wrists with a circumference of 135-230 mm |
| Move bar (displays on device after a period of inactivity; walk for a couple of minutes to reset it) | Yes |
| Compatible with BaseCamp™ | Yes |
| Chronograph | No |
| Available gym activity profiles | Strength, Cardio and Elliptical Training, HIIT, Stair Stepping, Floor Climbing, Indoor Rowing, and Yoga |
| Live Delta Time | No |
| Automatic altitude adjustment | No |
| Ambient light sensor | No |
| Bezel Material | Fibre-reinforced polymer |
| Touch-targeting (touch target on display to see the distance to any point) | No |
| Hazards and course targets | Yes |
| Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) | Yes |
| TruSwing™ compatible | No |
| UltraTrac mode | Yes |
| In-flight Pulse Ox | No |
| VO2 Max (Trail Run) | Yes |
| Yardage to F/M/B (distance to front, middle and back of green) | Yes |
| Calendar | Yes |
| Barometric altimeter | Yes |
| Unlock new step icons | No |
| Preloaded race tracks | No |
| Weather | Yes |
| Auto Lap® | Yes |
| Sunrise/sunset times | Yes |
| Pacing alerts (pool swim only) | No |
| Pulse Ox Blood Oxygen Saturation Monitor | Yes |
| Relaxation breathing timer | Yes |
| Floors climbed | Yes |
| Respiration rate (24×7) | Yes |
| % HR max | Yes |
| Gas consumption rate | No |
| In Case of Emergency (I.C.E.) | No |
| % HRR | Yes |
| Ballistics calculator | No |
| Gas time remaining | No |
| On-screen workout muscle maps | No |
| Case material | Fibre-reinforced polymer |
| Available outdoor recreation profiles | Hiking, Climbing, Indoor Climbing, Bouldering, Skiing, Snowboarding, XC Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Fishing, Hunting, Tactical |
| Basic rest timer (up from 0) (pool swim only) | Yes |
| TracBack® | Yes |
| Water rating | 10 ATM |
| Subwave™ Support | No |
| Advanced cycling dynamics | No |
| Handicap scoring | No |
| Audible alerts | No |
| Autopilot Control | no |
| Color display | No |
| Multiple bike profiles | No |
| Primary benefit (Training Effect labels) | Yes |
| Rest timer | No |
| Wrist-based Heart Rate (constant, every second) | Yes |
| HR zones | Yes |
| Auto rest (pool swim only) | Yes |
| Stat tracking (strokes, putts per round, greens and fairways hit) | Yes |
| Connectivity | Bluetooth®, ANT+® |
| Improved interval (includes open repeats, intervals data page, rest screen and auto detection) | No |
| Find My Phone | Yes |
| Stride length (real time) | yes (with compatible accessory) |
| Sleep score and insights | Yes |
| Custom targets | No |
| Downloadable cartography support | No |
| Available run profiles | Running, treadmill running, indoor track running, trail running |
| Bike lap and lap maximum power (with power sensor) | Yes |
| Stopwatch | Yes |
| Run workouts | Yes |
| Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories) | Yes |
| Training Effect | Yes |
| Worldwide airport database(s) | No |
| Waypoint information page | No |
| GPS speed and distance | Yes |
| Round-trip course creator (running/cycling) | No |
| Spectator messaging | No |
| Area calculation | Yes |
| Find My Watch | Yes |
| Automatic club tracking compatible (requires accessory) | Yes |
| Connext avionics connectivity | No |
| Preloaded road and trail maps | No |
| Advanced workouts | Yes |
| Trendline™ Popularity Routing | No |
| Strava Live Segments | No |
| VIRB® Remote | Yes |
| Smartphone compatibility | iPhone®, Android™ |
| Dual grid coordinates | Yes |
| Expedition GPS Activity | Yes |
| TrueUp™ | Yes |
| Timer | Yes |
| Multiple time zones with Zulu/UTC | No |
| Trimix support | No |
| Courses | Yes |
| Respiration rate (during exercise) | Yes |
| Compatible with Varia™ lights | No |
| Thermometer | Yes |
| Hydration | yes (in Garmin Connect™) |
| Alarm clock | Yes |
| Wirelessly receive flight plans from Garmin Pilot™ | No |
| Group LiveTrack | No |
| Intensity minutes | Yes |
| Interval training | Yes |
| Gyroscope | No |
| Underwater wrist-based heart rate | Yes |
| Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) | Yes |
| Pairs with Garmin Connect™ Mobile | Yes |
| Touchscreen | No |
| Countdown start (pool swim only) | Yes |
| Virtual starting line | No |
| Preloaded topographical maps | No |
| Sun and moon information | Yes |
| Health snapshot | Yes |
| ClimbPro™ Ascent Planner | No |
| Night vision mode | Yes |
| Available swim profiles | Pool swimming, open water swimming |
| Tempo Training | No |
| Power Modes – customizable in-activity battery settings | Yes |
| Move IQ™ | Yes |
| Automatically saves dive entry and exit locations | No |
| Speed and cadence sensor support (w/sensor) | Yes |
| Garmin Elevate™ wrist heart rate monitor | Yes |
| Tides | No |
| HRV stress test (measures your heart rate variability while standing still, for 3 minutes, to provide you with an estimated stress level; the scale of this is 1 to 100; low scores indicate lower stress levels) | No |
| GLONASS | Yes |
| Boat Data Streaming | no |
| Smart Notifications | Yes |
| Sight ‘N Go | Yes |
| Garmin Pay™ | Yes |
| Automatic daylight saving time | Yes |
| Yoga workouts | No |
| Pulse Ox Blood Oxygen Saturation | yes (spot-check, during sleep, all day) |
| Depth sensor | No |
| Projected waypoint | Yes |
| Bread crumb trail in real time | Yes |
| Time/date | yes |
| Sync dive log to Garmin Dive™ Mobile app | No |
| Rewards (coins) | No |
| Virtual caddie | No |
| Calories burned | Yes |
| Customizable activity profiles | Yes |
| Auto start/end dive | No |
| Toe-to-Toe™ Challenges app | yes (optional Connect IQ Toe-to-Toe™ Challenges app) |
| Garmin Live Segments | No |
| Connect IQ™ (downloadable watch faces, data fields, widgets and apps) | Yes |
| HR Broadcast (broadcasts HR data over ANT+™ to paired devices) | yes (using ANT+) |
| Cadence (provides real-time number of steps per minute) | Yes |
| Controls smartphone music | Yes |
| Power meter compatible | Yes |
| Total ascent/descent | Yes |
| Auto multisport activities | Yes |
| Last race summary | No |
| Cycle Map (routable cycling-specific street map) | No |
| PinPointer | No |
| Improved recovery time | Yes |
| Step counter | Yes |
| Quick Release bands | No |
| APNEA hunt mode | No |
| 60-minute activity goal | No |
| Trail run auto climb | Yes |
| Manual multisport activities | Yes |
| Chores | No |
| Barometric trend indicator with Storm Alert | Yes |
| Automatic rep counting | Yes |
| LiveTrack | Yes |
| Moving Map with aviation airports, navaids, roads, bodies of water and more | No |
| HR calories | Yes |
| Point-to-point navigation | Yes |
| Anchor Alarm | No |
| Gauge mode | No |
| PacePro™ Pacing Strategies | No |
| Tides | No |
| Time and distance alerts | Yes |
| Garmin Connect™ Challenges app | Yes (optional Connect IQ app) |
| Yardage to layups/doglegs | Yes |
| XERO™ Locations | Yes |
| Auto Pause® | Yes |
| All-day Stress | Yes |
| Running dynamics | yes (with compatible accessory) |
| Esports Activity | No |
| Full vector map | No |
| Tack assist mode | No |
| Body Battery™ Energy Monitor | Yes |
| BLUETOOTH phone calling and voice assistant support | No |
| Worldwide NAVAID and Intersection database(s) | No |
| Available cycling profiles | Biking, Road Biking, Mountain Biking, Gravel Biking, Cyclocross, Bike Commuting, Bike Touring, eBiking, eMountain Biking, Indoor Biking |
| HIIT workouts | Yes |
| Future elevation plot | Yes |
| QuickFit™ watch band compatible | Yes (22 mm) |
| Accelerometer | Yes |
| Recovery time | Yes |
| Orienteering | No |
| Text response/reject phone call with text (Android™ only) | Yes |
| Custom dive data screens | No |
| Around Me mode | No |
| Realtime settings sync with Garmin Connect™ mobile | Yes |
| Hunt/fish calendar | No |
| Drill logging (pool swim only) | Yes |
| Preloaded with 42,000 courses worldwide | No |
| Course guidance | Yes |
| Track timer | No |
| Strap material | Silicone |
| GPS Time Sync | Yes |
| Countdown timer | No |
| Race App | No |
| Auto scroll | Yes |
| Analog hands | No |
| Round timer/odometer | Yes |
| Smart trainer control | Yes |
| Compass | Yes |
| Heat and altitude acclimation | Yes |
| Digital scorecard | yes |
| Lens Material | Power Glass™ |
| Cardio workouts | Yes |
| Green View with manual pin position | Yes |
| Connected GPS | No |
| Performance condition | Yes |
| Strength workouts | Yes |
| Galileo | Yes |
| Distance to destination | Yes |
| Women’s Health | yes (in Garmin Connect™) |
| Training Status | Yes |
| Manual lap | Yes |
| Distance traveled | Yes |
| Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) | Yes |
| GPS-based distance, time and pace | Yes |
| Daily Resting Heart Rate | Yes |
| Auto goal (learns your activity level and assigns a daily step goal) | Yes |
| Garmin AutoShot™ | No |
| Fitness Age | Yes |
| Nitrox support | No |
| FTP (Functional Threshold Power) | Yes |
| Dive ascent/descent rate indicator | No |
| Built-in barometer and tide tables | No |
| Assistance | Yes |
| Race predictor | Yes |
| Stealth Mode | Yes |
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4.0 ★★★★★
Based on 2469 reviews
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Product Reviews
★★★★★ 5
CODE is the book you should get.
Format: Paperback
The best book to enter the field. Grateful that Charles Petzold decided to write it, even happier this was one of the first books I picked up.
Recommend to everyone wanting to become a programmer, or just interested in computers.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 12, 2026
★★★★★ 5
If you only buy one technical computer book, this is it
Format: Paperback
Disclaimer: I owned the first edition for years and read it a dozen times, mainly for pleasure since it’s not only informative but also just enjoyable to read. I’m a professional software architect and have dozens of textbooks on computer science and engineering so I’ve been around the block.
This is the kind of book I would buy all for all my friends (if I had more than a couple) and family members (if they were even slightly into computers, which they aren’t sadly). Petzold does an exceptional job at describing digital logic and guides you through building a conceptual CPU from very first principles.
I think his bottom up approach is the way to go and has helped me understand complex topics in an extremely simple way. When I’m not reading fiction, this is my go to bedtime reading.
The second edition has about 100 more pages than the first and some content has been completely reworked and it’s great.
If you ever had even a passing interest in knowing how computers work at a very fundamental level, get this book!
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Reviewed in the United States on January 31, 2023
★★★★★ 4
First programmer?
Format: Paperback
As an ardent reader of the past 1st edition, I was fairly excited to get the latest version. That is, until I encountered the history chapter of the new edition.
For one thing, what I do NOT understand in this second edition is the newly added description of August Ada Byron (countless of Lovelace). The author claims it was Babbage who was the first programmer to design the engines, not Ada. I am not trying to start a futile argument here about who has more or fewer contributions, etc.
What I am trying to assert here is that it is undisputed that Ada (unless the new evidence arises) left *the very first demonstration* of what this seemingly imaginary machine, which didn't even physically exist, was capable of through her program. Because Babbage designed the engine itself, that doesn't automatically put him in the position of a programmer (despite Babbage being a brilliant engineer/scientist and may have had a simple or detailed program in his mind). However, it was Ada who gave a definite touch to programming concepts that ultimately led to modern-day programming. Ada deserves more recognition than a mere "tutorial writer," and she is certainly entitled to the title she deserves.
Other than that, like the previous edition, this book is a must-read for people who are from related/unrelated fields. I always loved the 1st edition, and I would do too with the 2nd. Still, I think history should always be approached with more care, particularly if matters have potential controversies.
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Reviewed in the United States on January 6, 2023
★★★★★ 5
One of the few books worth your time
Format: Paperback
If you want to learn computers, start here. Learning from a historical perspective removes complexity of trying to start with say GPUs - you learn just like computer engineers did, incrementally.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
An absolutely brilliant book
Format: Paperback
This is an amazing book for the right kind of reader. It's a lot like Euclid's Elements but for computers as it leads the reader through designing a computer from first principles and builds to the point of creating software and adding peripherals. It's an amazingly clear but slightly challenging read. I have given this book as a gift many many times. It's an absolute classic in my opinion.
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Reviewed in the United States on March 19, 2025