Garmin Approach® S44 vs Garmin Forerunner® 165Size, Specs & Wrist Fit Compared
The Garmin Approach® S44 and Garmin Forerunner® 165 share a near-identical 43mm case, so wrist presence comes down to thickness, lug-to-lug and weight.
On the wrist the Garmin Forerunner® 165 feels lighter (39g vs 42g, case only).
Specification Comparison
| Spec | GarminApproach® S44 | GarminForerunner® 165 |
|---|---|---|
| Case Width | 43mm | 43mm |
| Thickness | 11.4mm | 11.6mm |
| Weight | 42g | 39g |
| Shape | Circular | Circular |
| GPS | Yes | Yes |
| Battery Life | Smartwatch mode: Up to 10 days GPS Mode Up to 15 hours (using default display settings: gesture wake-up in Smartwatch mode and always-on while golfing) | Smartwatch mode: Up to 11 days Battery Saver Smartwatch mode: Up to 20 days GPS-Only GNSS mode: Up to 19 hours All-Systems GNSS mode: Up to 17 hours See Details |
| Display | AMOLED (optional always-on mode) | AMOLED (optional always-on mode) |
| Released | 2025 | 2024 |
Full Specification Comparison
212 specs| Spec | Garmin Approach® S44 | Garmin Forerunner® 165 |
|---|---|---|
| Overview | ||
| Family | Garmin | Garmin |
| General | ||
| Battery life | Smartwatch mode: Up to 10 days GPS Mode Up to 15 hours (using default display settings: gesture wake-up in Smartwatch mode and always-on while golfing) | Smartwatch mode: Up to 11 days Battery Saver Smartwatch mode: Up to 20 days GPS-Only GNSS mode: Up to 19 hours All-Systems GNSS mode: Up to 17 hours See Details |
| Display Size | 1.2" (30.4 mm) diameter | 1.2" (30.4 mm) diameter |
| Color display | Yes | Yes |
| Lens Material | Corning® Gorilla® Glass 3 | chemically strengthened glass |
| Bezel Material | anodized aluminum | fiber-reinforced polymer |
| Memory/History | 4 GB | 4 GB |
| Strap material | silicone | silicone |
| Charging method | Garmin proprietary plug charger | Garmin proprietary plug charger |
| Large font option | Yes | Yes |
| Display resolution | 390 x 390 pixels | 390 x 390 pixels |
| Quick Release bands | yes (20 mm, Industry standard) | yes (20 mm, Industry standard) |
| Battery type | — | Lithium ion |
| Sensors | ||
| GPS | Yes | Yes |
| Compass | Yes | Yes |
| GLONASS | Yes | Yes |
| Galileo | Yes | Yes |
| Gyroscope | Yes | — |
| Accelerometer | Yes | Yes |
| Ambient light sensor | Yes | Yes |
| Thermometer | — | Yes |
| Barometric altimeter | — | Yes |
| Pulse Ox Blood Oxygen Saturation Monitor | — | Yes |
| Garmin Elevate™ wrist heart rate monitor | — | Yes |
| Product Info | ||
| Main SKU | 010-03009-00 | 010-02863-20 |
| Product ID | 1604358 | 1055469 |
| Product Name | Approach® S44 | Forerunner® 165 |
| Release Date | 1/22/2025 | 2/20/2024 |
| Product Variation | Silver Aluminum Bezel with Black Silicone Band | Black/Slate Gray |
| Clock Features | ||
| Timer | Yes | Yes |
| Stopwatch | Yes | Yes |
| Time/date | Yes | Yes |
| Alarm clock | Yes | Yes |
| GPS Time Sync | Yes | Yes |
| Sunrise/sunset times | Yes | Yes |
| Automatic daylight saving time | Yes | Yes |
| Cycling Features | ||
| Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) | Yes | Yes |
| Courses | — | Yes |
| Compatible with Varia™ lights | — | Yes |
| Compatible with Varia headlight camera | — | Yes |
| Speed and cadence sensor support (w/sensor) | — | Yes |
| Compatible with Varia™ radar (rear-facing radar) | — | Yes |
| Golfing Features | ||
| PinPointer | Yes | — |
| Swing Tempo | Yes | — |
| Custom targets | Yes | — |
| Full vector map | yes (with Garmin Golf membership) | — |
| Handicap scoring | Yes | — |
| Tournament legal | yes (with tournament mode enabled) | — |
| Digital scorecard | Yes | — |
| Garmin AutoShot™ | Yes | — |
| PlaysLike distance | yes (with Garmin Golf membership) | — |
| Round timer/odometer | Yes | — |
| Auto CourseView updates | Yes | — |
| Yardage to layups/doglegs | Yes | — |
| Hazards and course targets | Yes | — |
| Pairs with Garmin Golf app | Yes | — |
| Green View with manual pin position | Yes | — |
| Preloaded with 43,000 courses worldwide | Yes | — |
| CT1 Automatic club tracking compatible (requires accessory) | Yes | — |
| CT10 Automatic club tracking compatible (requires accessory) | Yes | — |
| Yardage to F/M/B (distance to front, middle and back of green) | Yes | — |
| Stat tracking (strokes, putts per round, greens and fairways hit) | Yes | — |
| Touch-targeting (touch target on display to see the distance to any point) | yes (with Garmin Golf membership) | — |
| Measures shot distance (calculates exact yardage for shots from anywhere on course) | Yes | — |
| Running Features | ||
| GPS-based distance, time and pace | Yes | Yes |
| Cadence (provides real-time number of steps per minute) | Yes | Yes |
| Run workouts | — | Yes |
| Running power | — | Yes |
| Race predictor | — | Yes |
| Foot pod capable | — | Yes |
| Running dynamics | — | Yes |
| Run/Walk/Stand detection | — | Yes |
| Stride length (real time) | — | Yes |
| PacePro™ Pacing Strategies | — | Yes |
| Vertical oscillation and ratio | — | Yes |
| Ground contact time and balance | — | yes (but not balance) |
| Course- and weather-specific race predictor | — | Yes |
| What You'll Love | ||
| Touchscreen | Yes | Yes |
| Display type | AMOLED (optional always-on mode) | AMOLED (optional always-on mode) |
| Water rating | 5 ATM | 5 ATM |
| Battery life (smartwatch mode) | Up to 10 days | Up to 11 days |
| Garmin Pay™ | — | Yes |
| Pulse Ox blood oxygen | — | yes (spot-check, during sleep, all day) |
| Sleep score and insights | — | Yes |
| Activity Profiles | ||
| Cycling | Biking, Indoor Biking | Biking, Indoor Biking |
| Indoor running | Indoor Track Running | Treadmill Running, Indoor Track Running, Virtual Running |
| Outdoor running | Running | Running, Outdoor Track Running, Trail Running, Ultra Running |
| Outdoor recreation | Golfing | Hiking |
| Gym | — | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing |
| Swim | — | Pool Swimming, Open Water Swimming |
| Wellness | — | Walking, Pilates, Yoga, Indoor Walking |
| Racket sports | — | Tennis, Pickleball, Padel |
| Daily Smart Features | ||
| Calendar | Yes | Yes |
| Passcode | Yes | Yes |
| Connectivity | Bluetooth® LE | Bluetooth®, ANT+® |
| Find My Phone | Yes | Yes |
| Find My Watch | Yes | Yes |
| Weather forecasts | Yes | Yes |
| Smart Notifications | Yes | Yes |
| Smartphone compatibility | iPhone®, Android™ | iPhone®, Android™ |
| Controls smartphone music | Yes | Yes |
| Pairs with Garmin Connect™ Mobile | Yes | Yes |
| Realtime settings sync with Garmin Connect™ mobile | Yes | Yes |
| View images from notifications on watch (Android™ only) | Yes | Yes |
| Text response/reject phone call with text (Android™ only) | Yes | Yes |
| Garmin Share | — | Yes |
| Morning report | — | Yes |
| Red shift mode | — | Yes |
| On-device Connect IQ™ Store | — | Yes |
| Find My Phone during GPS activity | — | Yes |
| Compatible with Garmin Messenger app | — | Yes |
| Battery saver (customizable low power watch) | — | Yes |
| Connect IQ™ (downloadable watch faces, data fields and apps) | — | Yes |
| Activity Tracking Features | ||
| TrueUp™ | Yes | Yes |
| Move IQ™ | Yes | Yes |
| Step counter | Yes | Yes |
| Calories burned | Yes | Yes |
| Distance traveled | Yes | Yes |
| Intensity minutes | Yes | Yes |
| Move alerts (displays on device after a period of inactivity) | Yes | Yes |
| Auto goal (learns your activity level and assigns a daily step goal) | Yes | Yes |
| Floors climbed | — | Yes |
| Automatic rep counting | — | Yes |
| Garmin Connect™ Challenges app | — | yes (optional Connect IQ app) |
| Safety and Tracking Features | ||
| Assistance | Yes | Yes |
| Incident Detection during select activities | Yes | Yes |
| Incident detection alert on phone for wearables | Yes | Yes |
| Live Event Sharing | — | Android™ Only |
| Training, Planning and Analysis Features | ||
| GPS speed and distance | Yes | Yes |
| Customizable data pages | Yes | Yes |
| Touch and/or button lock | Yes | Yes |
| Auto Pause® automatic timer halt | Yes | Yes |
| Auto Lap® interval tracking feature | Yes | Yes |
| % HRR | — | Yes |
| % HR max | — | Yes |
| HR zones | — | Yes |
| HR alerts | — | Yes |
| HRV status | — | Yes |
| Manual lap | — | Yes |
| Rest timer | — | Yes |
| Auto max HR | — | Yes |
| Finish time | — | Yes |
| HR calories | — | Yes |
| Voice alerts | — | Yes |
| Physio TrueUp | — | Yes |
| Recovery time | — | Yes |
| VO2 Max (Run) | — | Yes |
| Course guidance | — | Yes |
| Training effect | — | Yes |
| Advanced workouts | — | Yes |
| Interval training | — | Yes |
| Race glance/widget | — | Yes |
| VO2 Max (Trail Run) | — | Yes |
| Configurable lap alerts | — | Yes |
| Activity history on watch | — | Yes |
| Downloadable training plans | — | Yes |
| Training effect (anaerobic) | — | Yes |
| HRM running pace and distance | — | Yes |
| Customizable activity profiles | — | Yes |
| Respiration rate (during exercise) | — | Yoga and Breathwork only |
| Primary benefit (Training Effect labels) | — | Yes |
| HR broadcast (broadcasts HR data over ANT+® to paired devices) | — | Yes |
| Swimming Features | ||
| Time and distance alerts | — | Yes |
| Auto rest (pool swim only) | — | Yes |
| Drill logging (pool swim only) | — | Yes |
| Countdown start (pool swim only) | — | Yes |
| Underwater wrist-based heart rate | — | Yes |
| "Repeat on" rest timer (pool swim only) | — | Yes |
| Basic rest timer (up from 0) (pool swim only) | — | Yes |
| Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) | — | Yes |
| Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) | — | Yes |
| Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories) | — | Yes |
| Outdoor Recreation | ||
| Auto rest | — | Yes |
| TracBack® | — | Yes |
| Back to start | — | Yes |
| Fish forecast | — | yes (via Connect IQ™) |
| UltraTrac mode | — | Yes |
| Area calculation | — | yes (via Connect IQ™) |
| Elevation profile | — | Yes |
| Total ascent/descent | — | Yes |
| Future elevation plot | — | Yes |
| Distance to destination | — | Yes |
| Sun and moon information | — | yes (via Connect IQ™) |
| Point-to-point navigation | — | Yes |
| Rest Timer (Ultra Run only) | — | Yes |
| Bread crumb trail in real time | — | Yes |
| Workout and Training Plans | ||
| HIIT workouts | — | Yes |
| Yoga workouts | — | Yes |
| Cardio workouts | — | Yes |
| Pilates workouts | — | Yes |
| Strength workouts | — | Yes |
| Garmin Running Coach | — | yes (no strength add-on) |
| Garmin Running Coach Experts | — | Yes |
| Garmin Coach - Prebuilt Cycling Plans | — | Yes |
| Daily Suggested Workout - Running (Pace and Heart Rate Based) | — | Yes |
| Health & Wellness Monitoring | ||
| Sleep | — | yes (advanced) |
| Hydration | — | yes (in Garmin Connect™ and optional Connect IQ™ widget) |
| Breathwork | — | Yes |
| Fitness age | — | Yes |
| Nap detection | — | Yes |
| All-day stress | — | Yes |
| Women's health | — | yes (in Garmin Connect™ and optional Connect IQ™ widget) |
| Health snapshot | — | Yes |
| Respiration rate | — | Yes |
| Resting heart rate | — | Yes |
| Breathing variations | — | Yes |
| Relaxation reminders | — | Yes |
| Abnormal heart rate alerts | — | yes (high and low) |
| Relaxation breathing timer | — | Yes |
| Body Battery™ energy monitor | — | Yes |
| Wrist-based heart rate (constant, every second) | — | Yes |
| Kid Activity Tracking Features | ||
| Toe-to-Toe™ Challenges app | — | yes (optional Connect IQ Toe-to-Toe™ Challenges app) |
Wrist Fit
Garmin Approach® S44
Sits best on wrists ~45–61mm wide (≈ 12.0–16.3cm circumference).
Garmin Forerunner® 165
Sits best on wrists ~45–61mm wide (≈ 12.0–16.3cm circumference).
2D Dimension Schematics
Accurate scale drawings based on case dimensions. Drag to pan, Ctrl+scroll to zoom. Works for every watch regardless of photo availability.
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Product Photos
Side-by-side product images at matched scale.
Garmin Approach® S44 (010-03009-00)
43mm × 43mm
Garmin Forerunner® 165 (010-02863-20)
43mm × 43mm
Frequently Asked Questions
Is the Garmin Approach® S44 bigger than the Garmin Forerunner® 165?
Both have a 43mm case. Compare their thickness and lug-to-lug above to judge wrist presence.
Which fits a smaller wrist better, the Garmin Approach® S44 or the Garmin Forerunner® 165?
The Garmin Approach® S44 suits wrists around 45–61mm wide, and the Garmin Forerunner® 165 around 45–61mm. The one with the smaller lower bound is the safer pick for a small wrist.
Can I see the Garmin Approach® S44 and Garmin Forerunner® 165 side by side at true scale?
Yes — the schematics and photos above show both watches at matched scale, and our fit tool overlays each on your wrist width.
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