D2™ Delta SSize, Dimensions & Wrist Fit
Case Width
42mm
Thickness
15.4mm
Diameter
42mm
Weight
65g
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.
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.
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Garmin D2™ Delta S Full Specifications
Overview1
FamilyGarmin
General10
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 Size1.2" (30.4 mm) diameter
Case materialfiber-reinforced polymer with metal rear cover
Color displayYes
Lens Materialdomed sapphire crystal
Bezel Materialstainless steel
Memory/History16 GB
Strap materialsilicone or leather
Display resolution240 x 240 pixels
QuickFit® watch band compatibleyes (20 mm)
Sensors9
GPSYes
CompassYes
GLONASSYes
GalileoYes
GyroscopeYes
ThermometerYes
AccelerometerYes
Barometric altimeterYes
Garmin Elevate™ wrist heart rate monitorYes
Product Info4
Main SKU010-01987-30
Product ID633685
Product NameD2™ Delta S
Product VariationAviator Watch with Beige Leather Band
Clock Features7
TimerYes
StopwatchYes
Time/dateYes
Alarm clockYes
GPS Time SyncYes
Sunrise/sunset timesYes
Automatic daylight saving timeYes
Cycling Features12
CoursesYes
Race an activityYes
Power meter compatibleYes
Compatible with Varia™ lightsYes
FTP (Functional Threshold Power)yes (with compatible accessory)
Speed and cadence sensor support (w/sensor)Yes
Cycle Map (routable cycling-specific street map)Yes
Bike lap and lap maximum power (with power sensor)Yes
Compatible with Varia™ radar (rear-facing radar)Yes
Compatible with Vector™ and Rally™ (power meters)Yes
Compatible with Varia Vision™ (head-mounted display)Yes
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)Yes
Golfing Features12
Digital scorecardYes
Garmin AutoShot™Yes
Round timer/odometerYes
TruSwing™ compatibleYes
Auto CourseView updatesYes
Yardage to layups/doglegsYes
Hazards and course targetsYes
Green View with manual pin positionYes
Preloaded with 43,000 courses worldwideYes
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
Measures shot distance (calculates exact yardage for shots from anywhere on course)automatic
Running Features12
Run workoutsYes
Race predictorYes
Foot pod capableYes
Running dynamicsyes (with compatible accessory)
Lactate thresholdyes (with compatible accessory)
Trail run auto climbYes
Performance conditionYes
Stride length (real time)yes (with compatible accessory)
Vertical oscillation and ratioyes (with compatible accessory)
Ground contact time and balanceyes (with compatible accessory)
GPS-based distance, time and paceYes
Cadence (provides real-time number of steps per minute)Yes
What You'll Love2
Garmin Pay™Yes
Training statusYes
Activity Profiles4
Gym
Strength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Yoga
Swim
Pool Swimming, Open Water Swimming, Swimming/Running
CyclingBiking, Mountain Biking, Triathlon
Outdoor recreation
Hiking, Climbing, Mountain Biking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking, Jumpmaster, Tactical
Aviation Features12
NEXRAD on moving mapYes
Waypoint information pageYes
Connext avionics connectivityYes
Worldwide airport database(s)Yes
Multiple time zones with Zulu/UTCYes
TAF (Terminal Aerodrome Forecast)Yes
Altimeter with adjustable baro settingYes
METAR (Meteorological Aerodrome Report)Yes
Worldwide NAVAID and Intersection database(s)Yes
Wirelessly receive flight plans from Garmin Pilot™Yes
3-axis compass with HSI (horizontal situation indicator)Yes
Moving Map with aviation airports, navaids, roads, bodies of water and moreYes
Swimming Features8
Pool swim workoutsYes
Drill logging (pool swim only)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
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 Features2
XERO™ LocationsYes
Dual grid coordinatesYes
Outdoor Recreation22
Tidesyes (via Connect IQ™)
TracBack®Yes
Sight 'N GoYes
Back to startYes
Fish forecastyes (via Connect IQ™)
Explore NearbyYes
UltraTrac modeYes
Vertical speedYes
GPS coordinatesYes
Area calculationyes (via Connect IQ™)
Elevation profileYes
Projected waypointYes
Total ascent/descentYes
Future elevation plotYes
Distance to destinationYes
Sun and moon informationyes (via Connect IQ™)
Point-to-point navigationYes
ClimbPro™ Ascent PlannerYes
Preloaded road and trail mapsYes
Bread crumb trail in real timeYes
Downloadable cartography supportYes
Barometric trend indicator with Storm AlertYes
Daily Smart Features13
CalendarYes
ConnectivityBluetooth®, ANT+®, Wi-Fi®
Find My PhoneYes
Find My WatchYes
VIRB® RemoteYes
Weather forecastsYes
Smart NotificationsYes
Smartphone compatibilityiPhone®, Android™
Controls smartphone musicYes
Plays and controls watch musicYes
Pairs with Garmin Connect™ MobileYes
Text response/reject phone call with text (Android™ only)Yes
Connect IQ™ (downloadable watch faces, data fields and apps)Yes
Activity Tracking Features11
TrueUp™Yes
Move IQ™Yes
Step counterYes
Floors climbedYes
Calories burnedYes
Distance traveledYes
Intensity minutesYes
Automatic rep countingYes
Garmin Connect™ Challenges appyes (optional Connect IQ app)
Move alerts (displays on device after a period of inactivity)Yes
Auto goal (learns your activity level and assigns a daily step goal)Yes
Workout and Training Plans2
Cardio workoutsYes
Strength workoutsYes
Health & Wellness Monitoring8
Sleepyes (advanced)
Hydrationyes (in Garmin Connect™)
Fitness ageyes (in app)
All-day stressYes
Women's healthyes (in Garmin Connect™)
Resting heart rateYes
Abnormal heart rate alertsyes (high and low)
Wrist-based heart rate (constant, every second)Yes
Training, Planning and Analysis Features38
% HRRYes
% HR maxYes
HR zonesYes
HR alertsYes
ShortcutsYes
Manual lapYes
Auto max HRYes
Auto scrollYes
Finish timeYes
HR caloriesYes
Voice alertsYes
Custom alertsYes
Recovery timeYes
Training loadYes
VO2 Max (Run)Yes
Course guidanceYes
Training effectYes
Virtual PartnerYes
Race an ActivityYes
Advanced workoutsYes
Interval trainingYes
Garmin Live SegmentsYes
Strava Live SegmentsYes
GPS speed and distanceYes
Configurable lap alertsYes
Customizable data pagesYes
Touch and/or button lockYes
Activity history on watchYes
Downloadable training plansYes
Training effect (anaerobic)Yes
Manual multisport activitiesYes
Customizable activity profilesYes
Trendline™ Popularity RoutingYes
Auto Pause® automatic timer haltYes
Auto Lap® interval tracking featureYes
Round-trip course creator (running/cycling)Yes
HR broadcast (broadcasts HR data over ANT+® to paired devices)Yes
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)
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D2™ Delta S — Frequently Asked Questions
What size is the Garmin D2™ Delta S?
The Garmin D2™ Delta S has a 42mm case and is 15.4mm thick.
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). Use the interactive fit tool above to check against your own wrist.
How much does the Garmin D2™ Delta S weigh?
The Garmin D2™ Delta S weighs 65g (case only; straps add weight).
What is the best way to compare the Garmin D2™ Delta S with other watches?
Use our side-by-side comparison tool to see the Garmin D2™ Delta S next to any other watch — case size, thickness, lug-to-lug and full specs, scaled to real proportions.