WatchFitTool

Garmin Lily 2 Active vs Oppo Watch 4 Pro

Size, specs & wrist fit compared

Garmin Lily 2 Active010-02891-00
Garmin Lily 2 Active
Oppo Watch 4 Pro
Oppo Watch 4 Pro
38.3mm × 50.1mmCheck offerView specs

As an Amazon Associate, WatchFitTool earns from qualifying purchases.

Which one fits you

On wrists narrower than about 53mm, the Garmin Lily 2 Active is the safer pick — it stays proportionate down to roughly 40mm, where the Oppo Watch 4 Pro starts to hang over the edge. Above 53mm both sit cleanly, and the Oppo Watch 4 Pro gives you more presence.

The Garmin Lily 2 Active and Oppo Watch 4 Pro share a near-identical 38mm case, so wrist presence comes down to thickness, lug-to-lug and weight.

The Garmin Lily 2 Active is the slimmer of the two (11mm vs 12.9mm), so it slides under a cuff more easily.

On the wrist the Garmin Lily 2 Active feels lighter (29g vs 52.3g, case only).

The Garmin Lily 2 Active is middle-of-the-pack for thickness among the 356 38mm watches in the database.

Among the 362 38mm watches we hold thickness for, the Oppo Watch 4 Pro is thicker than 84% — it will sit high even though the case width reads modest.

The Oppo Watch 4 Pro is 0.3mm wider, 12.1mm longer, 1.9mm thicker and 23.3g heavier than the Garmin Lily 2 Active.

Garmin

Lily 2 Active

Oppo

Watch 4 Pro

Case width
38mm
38.3mm+0.3mm
Lug-to-lug
38mm
50.1mm+12.1mm
Thickness
11mm
12.9mm+1.9mm
Weight
29g
52.3g+23.3g

Switch or add watches

Garmin Lily 2 Active

Garmin

Lily 2 Active

Oppo Watch 4 Pro

Oppo

Watch 4 Pro

Fit tool

Watch Fit Tool

For sports watches, lug-to-lug (L2L) is what matters most — it decides whether a watch overhangs your wrist. Bulky is fine; overhang is not.

Your wrist
mm
≈ 146.9mm around

Garmin Lily 2 Active

Case 38.0mm · Lug-to-lug 38.0mm · Thickness 11.0mm · 29g

Understated

38mm on a 55mm wrist

10:09TUE 12lug to lug 38.0mmyour wrist 55.0mm

Well inside your wrist on every measurement — you have room to go a size up if you want more presence.

On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 38mm, so you could go bigger.

How to Measure

Measure where you wear it, just below the wrist bone. Either of these works — the tool converts between them.

  1. 1. Flat width — arm flat on a table, palm up. Measure straight across the top of the wrist, bone to bone, ignoring the curve down the sides.
  2. 2. Around — a tape, or a strip of paper marked and held against a ruler, snug the whole way round.
Complete Wrist Measurement Guide →
Against one you know

Leather: Attaches at the lugs, so the case back rests on your skin. Thins and softens with wear. Typical figures, not this model’s own.

Show the measurements
  • Across the wrist8.5mm spare each side

    Comfortable, with visible skin either side.

  • Off the wrist11.0mm off the skin

    Normal sports-watch height for a wrist this size. (11.0mm case, back against the skin)

  • How it seats~2.9mm under the rim

    Sits flat on the wrist with contact right across the case back.

  • Weight on the wrist29g

    Light enough to forget you have it on. (0.5g per mm of wrist)

Oppo Watch 4 Pro

Case 50.1mm · Lug-to-lug 50.1mm · Thickness 12.9mm · 52g

Sweet Spot

50.1mm on a 55mm wrist

10:09TUE 12lug to lug 50.1mmyour wrist 55.0mm

Across the wrist it works — 2.4mm spare each side — but wide enough that the edge of the case back lifts clear of the skin.

On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 50.1mm.

How to Measure

Measure where you wear it, just below the wrist bone. Either of these works — the tool converts between them.

  1. 1. Flat width — arm flat on a table, palm up. Measure straight across the top of the wrist, bone to bone, ignoring the curve down the sides.
  2. 2. Around — a tape, or a strip of paper marked and held against a ruler, snug the whole way round.
Complete Wrist Measurement Guide →
Against one you know

Leather: Attaches at the lugs, so the case back rests on your skin. Thins and softens with wear. Typical figures, not this model’s own.

Show the measurements
  • Across the wrist2.4mm spare each side

    Fills the wrist without reaching the edge.

  • Off the wrist12.9mm off the skin

    Normal sports-watch height for a wrist this size. (12.9mm case, back against the skin)

  • How it seats~8.1mm under the rim

    Wide enough that the edge of the case back lifts clear of the skin.

  • Weight on the wrist52g

    Light enough to forget you have it on. (1.0g per mm of wrist)

2D Dimension Schematics

Every case drawn to scale on a shared centre — from above, and in profile against the wrist.

Highlight
From above — same centre, true scale
From the side — how far each sits off the wrist
  • Garmin Lily 2 Active38mm · 11mm thick
  • Oppo Watch 4 Pro38.3mm × 50.1mm · 12.9mm thick

3D preview

Garmin Lily 2 Active vs Oppo Watch 4 Pro on a wrist

Sized to your own wrist, turned any way you like.

Open 3D try-on

Shapes are built from published measurements, not manufacturer 3D models — accurate proportions, generic dial.

Battery life compared

Furthest apart in Smartwatch mode, where the Garmin Lily 2 Active lasts 1.8× as long as the Oppo Watch 4 Pro (9 days against 5 days).

Garmin Lily 2 ActiveOppo Watch 4 Pro

  • Smartwatch

    9 days
    5 days
  • Training

    —
    60 hours

Specifications

The short version

7 key specs
SpecGarminLily 2 ActiveOppoWatch 4 Pro
Case Width38mm38.3mm
Lug-to-Lug38mm50.1mm
Thickness11mm12.9mm
Weight29g52.3g
ShapeCircularRectangle
Display typeLiquid CrystalOLED/AMOLED
Released20242023

Every specification

221 specs
SpecGarmin Lily 2 ActiveOppo Watch 4 Pro
Overview
FamilyGarmin—
General
Weight29 g—
Battery lifeSmartwatch Mode: Up to 9 days GPS Mode: 9 hours See Details—
Display Size1.00” x 0.84” (25.4 mm x 21.3 mm)—
Case materialanodized aluminum—
Color displayno (16 level grayscale)—
Lens materialCorning® Gorilla® Glass 3—
Physical size38 x 38 x 11 mm Fits wrists with a circumference of 110-175 mm—
Bezel materialanodized aluminum—
Memory/History7 timed activities; 14 days of activity tracking data—
Strap materialsilicone—
Charging methodGarmin proprietary plug charger—
Display resolution240 x 201 pixels—
Quick Release bandsYes—
Sensors
CalendarYes—
PasscodeYes—
ConnectivityBluetooth®, ANT+®—
Find My PhoneYes—
Morning reportYes—
Weather forecastsYes—
Smart NotificationsYes—
Smartphone compatibilityiPhone®, Android™—
Controls smartphone musicYes—
Pairs with Garmin Connect™ MobileYes—
Find My Garmin (helps locate lost device)Yes—
Realtime settings sync with Garmin Connect™ mobileYes—
Text response/reject phone call with text (Android™ only)Yes—
has GPS—Yes
has a compass—Yes
Has a barometer—Yes
has a gyroscope—Yes
Has a cadence sensor—No
has an accelerometer—Yes
Monitors perspiration—No
Has a heart rate monitor—Yes
Has a temperature sensor—Yes
Monitors blood oxygenation levels—Yes
Variant
ColorLunar Gold with Bone Silicone Band—
Available ColorsJasper Green with Jasper Green Silicone Band; Silver with Purple Jasmine Silicone Band; Lunar Gold with Bone Silicone Band—
Clock Features
Sleepyes (advanced)—
HydrationYes—
BreathworkYes—
MeditationYes—
Fitness ageyes (in app)—
Sleep coachYes—
All-day stressYes—
Women's healthYes—
Health snapshotYes—
Respiration rateYes—
Resting heart rateYes—
Breathing variationsYes—
Relaxation remindersYes—
Abnormal heart rate alertsyes (high and low)—
Relaxation breathing timerYes—
Body Battery™ energy monitorYes—
Heart rate (constant, every second)Yes—
Golfing Features
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)Yes—
Running Features
Digital scorecardYes—
Yardage to layups/doglegsYes—
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)Yes—
What You'll Love
TimerYes—
StopwatchYes—
Time/dateYes—
Alarm clockYes—
TouchscreenYes—
Display typeLiquid Crystal—
Water ratingSwim, 5 ATM—
GPS Time SyncYes—
Garmin Pay™Yes—
Pulse Ox blood oxygenyes (spot-check and optionally in sleep)—
Sleep score and insightsYes—
Automatic daylight saving timeYes—
Battery life (smartwatch mode)Up to 9 days—
Activity Profiles
AssistanceYes—
Incident Detection during select activitiesYes—
Daily Smart Features
HIIT workoutsYes—
Yoga workoutsYes—
Cardio workoutsYes—
Pilates workoutsYes—
Strength workoutsYes—
Activity Tracking Features
% HR maxYes—
HR zonesYes—
HR alertsYes—
HRV statusYes—
Manual lapYes—
Auto scrollYes—
HR caloriesYes—
Custom alertsYes—
Physio TrueUpYes—
VO2 Max (Run)Yes—
Interval trainingYes—
GPS speed and distanceYes—
Customizable data pagesYes—
Activity history on watchYes—
Downloadable training plansYes—
Customizable activity profilesYes—
Respiration rate (during exercise)Yoga and Breathwork only—
Auto Lap® interval tracking featureYes—
HR broadcast (broadcasts HR data over ANT+® to paired devices)Yes—
Workout and Training Plans
GymStrength, HIIT, Cardio, Elliptical Training, Stair Stepping, Indoor Rowing, Dance Fitness, Jump Roping—
SwimPool Swimming—
CyclingBiking, Indoor Biking—
WellnessWalking, Pilates, Yoga, Meditation, Breathwork—
On the waterSUP, Rowing—
Racket sportsPickleball, Tennis, Padel—
Indoor runningTreadmill Running, Indoor Track Running—
Outdoor runningRunning—
Snow and winterSkiing, XC Classic Skiing, Snowboarding, Snowshoeing—
Outdoor recreationGolfing, Disc Golf—
Health & Wellness Monitoring
GPSYes—
BeiDouYes—
CompassYes—
GLONASSYes—
GalileoYes—
AccelerometerYes—
Ambient light sensorYes—
Pulse Ox Blood Oxygen Saturation MonitorYes—
Garmin Elevate™ wrist heart rate monitorYes—
Safety and Tracking Features
TrueUp™Yes—
Move IQ™Yes—
Step counterYes—
Calories burnedYes—
Distance traveledYes—
Intensity minutesYes—
Automatic rep countingYes—
Move Alert movement optionsYes—
Move alerts (displays on device after a period of inactivity)Yes—
Auto goal (learns your activity level and assigns a daily step goal)Yes—
Training, Planning and Analysis Features
GPS-based distance, time and paceYes—
Cadence (provides real-time number of steps per minute)Yes—
Design
width—38.3
height—50.1
volume—24.75 cm³
weight—52.3 g
thickness—12.9
ATM rating—5 ATM
resolution—378 x 496 px
screen size—1.91 inches
Display type—OLED/AMOLED
Has a display—Yes
pixel density—326 ppi
water resistance—Water resistant
Always-On Display—Yes
has a touch screen—Yes
Watch band is replaceable—Yes
Has sapphire glass display—No
has branded damage-resistant glass—No
Battery
charge time—1 hours
battery life—5 days
battery power—570 mAh
has wireless charging—No
has a removable battery—No
Has a solar power battery—No
has a rechargeable battery—Yes
battery life in training mode—60 hours
Features
RAM—2GB
release date—2023-08-29
Has a stopwatch—Yes
Has smart alarm—No
Has call control—Yes
Has silent alarm—Yes
internal storage—32GB
Has notifications—Yes
Has ECG technology—Yes
Locates your phone—Yes
has fall detection—Yes
has voice commands—Yes
Acquires GPS faster—No
Has vibrating alerts—Yes
number of microphones—1
Can be used to answer calls—Yes
has irregular heart rate warnings—Yes
Has a built-in camera remote control function—Yes
Connectivity
has NFC—Yes
SIM cards—1 eSIM
Wi-Fi version—Wi-Fi 4 (802.11n)
supports ANT+—No
supports Wi-Fi—Yes
Bluetooth version—5
has a cellular module—Yes
Is compatible with iOS—Yes
Is compatible with Android—Yes
Miscellaneous
Has passcode—No
Has auto pause—No
has an external memory slot—No
has a battery level indicator—Yes
has a socket for a 3.5 mm audio jack—No
Compatible with external heart rate monitors—No
App & Software
Ad-free—Yes
Free app—Yes
Has coaching—No
Has achievements—Yes
Has goal setting—Yes
Has exercise diary—Yes
Predicts ovulation—Yes
Has weight tracking—Yes
Predicts start date—Yes
Tracks water intake—Yes
Has inactivity alerts—Yes
Has period notifications—Yes
Has temperature tracking—Yes
Doesn’t require account—No
Provides activity reports—Yes
Displays fertile window notifications—Yes
Counts how many calories you've burned—Yes
Activity tracking
Measures pace—Yes
Tracks distance—Yes
Tracks elevation—Yes
Designed for golf—No
Tracks your sleep—Yes
Tracks steps taken—Yes
Designed for diving—No
Has a route tracker—Yes
Has exercise tagging—Yes
Has multi-sport mode—Yes
Tracks calorie intake—Yes
Provides sleep reports—Yes
Detects activities automatically—Yes
Has a stroke counter for swimming—No

Wrist Fit

Garmin Lily 2 Active

Sits best on wrists ~40–54mm wide (≈ 10.7–14.4cm circumference).

Oppo Watch 4 Pro

Sits best on wrists ~53–72mm wide (≈ 14.2–19.2cm circumference).

Frequently Asked Questions

Is the Garmin Lily 2 Active bigger than the Oppo Watch 4 Pro?

The Oppo Watch 4 Pro is bigger — 38.3mm vs 38mm case width.

Which fits a smaller wrist better, the Garmin Lily 2 Active or the Oppo Watch 4 Pro?

The Garmin Lily 2 Active suits wrists around 40–54mm wide, and the Oppo Watch 4 Pro around 53–72mm. The one with the smaller lower bound is the safer pick for a small wrist.

Can I see the Garmin Lily 2 Active and Oppo Watch 4 Pro 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.