WatchFitTool
Garmin Approach® S20 — case dimensions and design

Garmin

Approach® S20Size, Dimensions & Wrist Fit

Case Width

37.4mm

Thickness

11.3mm

Lug-to-Lug

47.6mm

Weight

42.2g

The Garmin Approach® S20 sits best on flat wrist widths of about 5068mm (≈ 13.418.2cm wrist circumference). Adjust the slider below to check your wrist.

Does the Approach® S20 fit your wrist?

Drag the slider to your wrist width and see the Approach® S20 overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.

For sports watches, Lug-to-Lug (L2L) is what matters most. Bulky is fine — overhang is not.

mm
40.0mm (small)85.0mm (large)
How to Measure
1

Lay arm flat, palm up.

2

Measure the flat width across top of wrist.

Garmin Approach® S20 (010-03723-03)
Case: 37.4mmL2L: 47.6mmThick: 11.3mm
Edge Clearance
+3.7mm
Sweet Spot3.7mm clearance. Perfect for sports watches - bold presence, no overhang.

Compare the Approach® S20 with…

Garmin Approach® S20 Full Specifications

Overview1
FamilyGarmin
General6
Battery life
Smartwatch mode: Up to 8 weeksGPS mode: Up to 15 hours
Display Size0.9” x 0.9” (23 x 23 mm)
Lens Materialchemically strengthened glass
Memory/History64 MB
Strap materialsilicone
Display resolution128 x 128 pixels
Sensors2
GPSYes
AccelerometerYes
Product Info4
Main SKU010-03723-03
Product ID516207
Product NameApproach® S20
Product VariationMidnight Teal
Clock Features5
Time/dateYes
Alarm clockYes
GPS Time SyncYes
Sunrise/sunset timesYes
Automatic daylight saving timeYes
Golfing Features13
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
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
Measures shot distance (calculates exact yardage for shots from anywhere on course)automatic
Swimming Features1
Basic rest timer (up from 0) (pool swim only)Yes
Daily Smart Features4
ConnectivityBluetooth® Smart and ANT+®
Smart NotificationsYes
Smartphone compatibilityiPhone®, Android™
Pairs with Garmin Connect™ MobileYes
Activity Tracking Features6
TrueUp™Yes
Step counterYes
Calories burnedYes
Distance traveledYes
Move alerts (displays on device after a period of inactivity)Yes
Auto goal (learns your activity level and assigns a daily step goal)Yes
Health & Wellness Monitoring1
Sleepyes (movement-based)

Watches Similar to the Approach® S20

Approach® S20 — Frequently Asked Questions

What size is the Garmin Approach® S20?

The Garmin Approach® S20 has a 37.4mm case and is 11.3mm thick, with a 47.6mm lug-to-lug.

Will the Garmin Approach® S20 fit my wrist?

The Garmin Approach® S20 looks balanced on flat wrist widths of roughly 50–68mm (about 13.4–18.2cm circumference). Use the interactive fit tool above to check against your own wrist.

How much does the Garmin Approach® S20 weigh?

The Garmin Approach® S20 weighs 42.2g (case only; straps add weight).

What is the best way to compare the Garmin Approach® S20 with other watches?

Use our side-by-side comparison tool to see the Garmin Approach® S20 next to any other watch — case size, thickness, lug-to-lug and full specs, scaled to real proportions.