D2™ Delta SSize, Dimensions & Wrist Fit
The Garmin D2™ Delta S sits best on flat wrist widths of about 44–60mm (≈ 11.7–16.0cm wrist circumference). Adjust the slider below to check your wrist.
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The D2™ Delta S in short
The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.
- Rated for 25 hours of use per charge.
- 65g on the wrist. Heavier than 85% of the 42mm watches we have weights for.
- 1.2" (30.4 mm) diameter display.
- Takes 20mm bands, so third-party straps fit without an adapter.
Does the D2™ Delta S fit your wrist?
Drag the slider to your wrist width and see the D2™ Delta S overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.
Happy with the fit? Check current availability for the D2™ Delta S.
Check offer2D Dimension Schematics
The D2™ Delta S drawn to scale — from above, and in profile against the wrist.
- Garmin D2™ Delta S42mm · 15.4mm thick
3D preview
Garmin D2™ Delta S on a wrist
On an arm sized to your own wrist — the view a product photo never gives you.
Shapes are built from published measurements, not manufacturer 3D models — accurate proportions, generic dial.
D2™ Delta S battery life
The runtime the manufacturer publishes for everyday use.
- Smartwatch25 hours
How the D2™ Delta S ranks on battery
Against the 268 Garmin watches in our database, ranked on each figure Garmin publishes.
- Everyday use7 days#208 of 257
- GPS tracking11 hours#208 of 233
What size band does the D2™ Delta S take?
Lug width
20mm
Any 20mm strap fits, so you are not restricted to Garmin's own bands. Quick-release pins let you swap without tools — check that a replacement lists 20mm and quick-release before buying.
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D2™ Delta S specifications
The figures that decide a purchase, followed by every line Garmin publishes.
- Battery life
- Smartwatch mode: Up to 7 daysGPS mode: Up to 11 hoursGPS + Music: Up to 4.5 hoursUltraTrac™ mode: Up to 25 hours
- Display
- 1.2" (30.4 mm) diameter
- Resolution
- 240 x 240 pixels
- Case material
- fiber-reinforced polymer with metal rear cover
- Bezel
- stainless steel
- Glass
- domed sapphire crystal
- Strap
- silicone or leather
- Storage
- 16 GB
Full specification sheet
189 published lines across 19 groups, unedited
Overview
- Family
- Garmin
General
- Battery life
- Smartwatch mode: Up to 7 daysGPS mode: Up to 11 hoursGPS + Music: Up to 4.5 hoursUltraTrac™ mode: Up to 25 hours
- Display Size
- 1.2" (30.4 mm) diameter
- Case material
- fiber-reinforced polymer with metal rear cover
- Color display
- Lens Material
- domed sapphire crystal
- Bezel Material
- stainless steel
- Memory/History
- 16 GB
- Strap material
- silicone or leather
- Display resolution
- 240 x 240 pixels
- QuickFit® watch band compatible
- yes (20 mm)
Sensors
- GPS
- Compass
- GLONASS
- Galileo
- Gyroscope
- Thermometer
- Accelerometer
- Barometric altimeter
- Garmin Elevate™ wrist heart rate monitor
Product Info
- Main SKU
- 010-01987-30
- Product ID
- 633685
- Product Name
- D2™ Delta S
- Product Variation
- Aviator Watch with Beige Leather Band
Clock Features
- Timer
- Stopwatch
- Time/date
- Alarm clock
- GPS Time Sync
- Sunrise/sunset times
- Automatic daylight saving time
Cycling Features
- Courses
- Race an activity
- Power meter compatible
- Compatible with Varia™ lights
- FTP (Functional Threshold Power)
- yes (with compatible accessory)
- Speed and cadence sensor support (w/sensor)
- Cycle Map (routable cycling-specific street map)
- Bike lap and lap maximum power (with power sensor)
- Compatible with Varia™ radar (rear-facing radar)
- Compatible with Vector™ and Rally™ (power meters)
- Compatible with Varia Vision™ (head-mounted display)
- Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)
Golfing Features
- Digital scorecard
- Garmin AutoShot™
- Round timer/odometer
- TruSwing™ compatible
- Auto CourseView updates
- Yardage to layups/doglegs
- Hazards and course targets
- Green View with manual pin position
- Preloaded with 43,000 courses worldwide
- Yardage to F/M/B (distance to front, middle and back of green)
- Stat tracking (strokes, putts per round, greens and fairways hit)
- Measures shot distance (calculates exact yardage for shots from anywhere on course)
- automatic
Running Features
- Run workouts
- Race predictor
- Foot pod capable
- Running dynamics
- yes (with compatible accessory)
- Lactate threshold
- yes (with compatible accessory)
- Trail run auto climb
- Performance condition
- Stride length (real time)
- yes (with compatible accessory)
- Vertical oscillation and ratio
- yes (with compatible accessory)
- Ground contact time and balance
- yes (with compatible accessory)
- GPS-based distance, time and pace
- Cadence (provides real-time number of steps per minute)
What You'll Love
- Garmin Pay™
- Training status
Activity Profiles
- Gym
- Strength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Yoga
- Swim
- Pool Swimming, Open Water Swimming, Swimming/Running
- Cycling
- Biking, Mountain Biking, Triathlon
- Outdoor recreation
- Hiking, Climbing, Mountain Biking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Jumpmaster, Tactical
Aviation Features
- NEXRAD on moving map
- Waypoint information page
- Connext avionics connectivity
- Worldwide airport database(s)
- Multiple time zones with Zulu/UTC
- TAF (Terminal Aerodrome Forecast)
- Altimeter with adjustable baro setting
- METAR (Meteorological Aerodrome Report)
- Worldwide NAVAID and Intersection database(s)
- Wirelessly receive flight plans from Garmin Pilot™
- 3-axis compass with HSI (horizontal situation indicator)
- Moving Map with aviation airports, navaids, roads, bodies of water and more
Swimming Features
- Pool swim workouts
- Drill logging (pool swim only)
- "Repeat on" rest timer (pool swim only)
- Basic rest timer (up from 0) (pool swim only)
- Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only)
- Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories)
- Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories)
- Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim)
- yes (with HRM-Tri™ and HRM-Swim™)
Tactical Features
- XERO™ Locations
- Dual grid coordinates
Outdoor Recreation
- Tides
- yes (via Connect IQ™)
- TracBack®
- Sight 'N Go
- Back to start
- Fish forecast
- yes (via Connect IQ™)
- Explore Nearby
- UltraTrac mode
- Vertical speed
- GPS coordinates
- Area calculation
- yes (via Connect IQ™)
- Elevation profile
- Projected waypoint
- Total ascent/descent
- Future elevation plot
- Distance to destination
- Sun and moon information
- yes (via Connect IQ™)
- Point-to-point navigation
- ClimbPro™ Ascent Planner
- Preloaded road and trail maps
- Bread crumb trail in real time
- Downloadable cartography support
- Barometric trend indicator with Storm Alert
Daily Smart Features
- Calendar
- Connectivity
- Bluetooth®, ANT+®, Wi-Fi®
- Find My Phone
- Find My Watch
- VIRB® Remote
- Weather forecasts
- Smart Notifications
- Smartphone compatibility
- iPhone®, Android™
- Controls smartphone music
- Plays and controls watch music
- Pairs with Garmin Connect™ Mobile
- Text response/reject phone call with text (Android™ only)
- Connect IQ™ (downloadable watch faces, data fields and apps)
Activity Tracking Features
- TrueUp™
- Move IQ™
- Step counter
- Floors climbed
- Calories burned
- Distance traveled
- Intensity minutes
- Automatic rep counting
- Garmin Connect™ Challenges app
- yes (optional Connect IQ app)
- Move alerts (displays on device after a period of inactivity)
- Auto goal (learns your activity level and assigns a daily step goal)
Workout and Training Plans
- Cardio workouts
- Strength workouts
Health & Wellness Monitoring
- Sleep
- yes (advanced)
- Hydration
- yes (in Garmin Connect™)
- Fitness age
- yes (in app)
- All-day stress
- Women's health
- yes (in Garmin Connect™)
- Resting heart rate
- Abnormal heart rate alerts
- yes (high and low)
- Wrist-based heart rate (constant, every second)
Training, Planning and Analysis Features
- % HRR
- % HR max
- HR zones
- HR alerts
- Shortcuts
- Manual lap
- Auto max HR
- Auto scroll
- Finish time
- HR calories
- Voice alerts
- Custom alerts
- Recovery time
- Training load
- VO2 Max (Run)
- Course guidance
- Training effect
- Virtual Partner
- Race an Activity
- Advanced workouts
- Interval training
- Garmin Live Segments
- Strava Live Segments
- GPS speed and distance
- Configurable lap alerts
- Customizable data pages
- Touch and/or button lock
- Activity history on watch
- Downloadable training plans
- Training effect (anaerobic)
- Manual multisport activities
- Customizable activity profiles
- Trendline™ Popularity Routing
- Auto Pause® automatic timer halt
- Auto Lap® interval tracking feature
- Round-trip course creator (running/cycling)
- HR broadcast (broadcasts HR data over ANT+® to paired devices)
- 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)
- yes (with compatible accessory)
Alternatives to the D2™ Delta S
Watches that cover a similar amount of wrist, with the measurements that separate them.
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Garmin
epix™ Pro (Gen 2) – Sapphire Edition | 42 mm
- Width
- 42mm
- Thick
- 14.2mm
- Weight
- 63g
%20%E2%80%93%20Standard%20Edition%20%7C%2042%20mm.jpg&w=3840&q=75)
Garmin
epix™ Pro (Gen 2) – Standard Edition | 42 mm
- Width
- 42mm
- Thick
- 14.2mm
- Weight
- 63g
Garmin
fēnix® 7S Pro – Sapphire Solar Edition
- Width
- 42mm
- Thick
- 14.1mm
- Weight
- 58g
Garmin
fēnix® 7S Pro – Solar Edition
- Width
- 42mm
- Thick
- 14.1mm
- Weight
- 63g
Garmin
Approach® S70 - 42 mm
- Width
- 42mm
- Thick
- 12.6mm
- Weight
- 44g
Garmin
Bounce
- Width
- 42mm
- Thick
- 12.6mm
- Weight
- 37.2g
D2™ Delta S — Frequently Asked Questions
Will the Garmin D2™ Delta S fit my wrist?
The Garmin D2™ Delta S looks balanced on flat wrist widths of roughly 44–60mm (about 11.7–16.0cm circumference). Drag the slider above to check it against your own measurement.
What size band does the Garmin D2™ Delta S take?
20mm. Any 20mm strap fits, so you are not limited to Garmin's own bands — look for a quick-release fitting if you want to swap without tools.
How long does the Garmin D2™ Delta S battery last?
Garmin rates it at 25 hours per charge in everyday use.
How does the Garmin D2™ Delta S battery compare with other Garmin watches?
At 7 days in everyday use it ranks #208 of the 257 Garmin watches in our database — below the middle of the range. The full ranking, including GPS and power-saving figures, is on our Garmin battery life comparison.
Is the Garmin D2™ Delta S thick for a 42mm watch?
At 15.4mm, thicker than 88% of 42mm watches — it will sit noticeably high on the wrist. Thickness, not case width, is what decides whether a watch catches on a shirt cuff.
What other watches are the same size as the Garmin D2™ Delta S?
Certina DS Action Chrono PVD / Carbon / Bracelet, Omega Speedmaster Professional Moonwatch 3861 Moonshine Gold / Black Lacquer, TAG Heuer Carrera Chronograph Seafarer Stainless Steel / Silver, Huawei Watch 5 - 42mm all sit within half a millimetre of the Garmin D2™ Delta S's 42mm case, so they cover the same amount of wrist.
