Oppo · 2021
Watch 2 42mmSize, Dimensions & Wrist Fit
Case Width
38.1mm
Thickness
11.6mm
Lug-to-Lug
42.4mm
Weight
31g
The Oppo Watch 2 42mm sits best on flat wrist widths of about 45–61mm (≈ 12.0–16.3cm wrist circumference). Adjust the slider below to check your wrist.
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The Watch 2 - 42mm in short
The figures that decide whether this watch suits you, pulled out of the full specification sheet further down.
- Rated for 4 days of use per charge.
- Water rated to 30 m.
- 31g on the wrist. Lighter than 88% of the 38mm watches we have weights for.
- 1.91 inches OLED/AMOLED display.
Does the Watch 2 42mm fit your wrist?
Drag the slider to your wrist width and see the Watch 2 42mm overlaid at true scale. Lug-to-lug — not case diameter — decides whether a watch overhangs your wrist.
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.
Measure at the point where you wear your watch — typically just below the wrist bone.
Flat width — lay your arm on a table, palm facing up, and measure straight across the top of your wrist with a ruler. Bone to bone; do not follow the curve down the sides.
Around — wrap a tape measure snugly round the wrist. No tape? Wrap a strip of paper, mark the overlap and hold the strip against a ruler.
Width ≠ circumference. They are different numbers — around 170mm is about 64mm across — so set the toggle to whichever one you actually measured before you type it in.
Oppo Watch 2 - 42mm
Case 42.4mm · Lug-to-lug 42.4mm · Thickness 11.6mm · 31g
Balanced Fit
42.4mm on a 55mm wrist
Comfortably inside the edges of your wrist, and it seats and sits low enough to wear without thinking about it.
On a 55mm wrist the sweet spot is 47–53mm lug to lug. This one is 42.4mm, so you could go bigger.
Measure where you wear it, just below the wrist bone. Either of these works — the tool converts between them.
- 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. Around — a tape, or a strip of paper marked and held against a ruler, snug the whole way round.
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 measurementsHide the measurements
- Across the wrist6.3mm spare each side
Comfortable, with visible skin either side.
- Off the wrist11.6mm off the skin
Normal sports-watch height for a wrist this size. (11.6mm case, back against the skin)
- How it seats~4.2mm under the rim
Seats well, with the case back following most of the wrist.
- Weight on the wrist31g
Light enough to forget you have it on. (0.6g per mm of wrist)
Happy with the fit? Check current availability for the Watch 2 42mm.
Check offer2D Dimension Schematics
The Watch 2 - 42mm drawn to scale — from above, and in profile against the wrist.
- Oppo Watch 2 - 42mm38.1mm × 42.4mm · 11.6mm thick
3D preview
Oppo Watch 2 - 42mm 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.
Which Watch 2 size fits you?
This model comes in 2 versions. Set your measurement and each one reports its own verdict — tap any size to open its page.
Which of these fits your wrist?
Roughly a 14.7cm wrist circumference — the measurement a tape gives you. Compared against lug-to-lug where we have it, case width otherwise.
All 2 Watch 2 variants fit this wrist. The 38.5mm gives you the most presence without overhanging; the smallest is the discreet end of the range.
- Width
- 38.1mm
- Thick
- 11.6mm
- Weight
- 31g
6.3mm clear a side
- Width
- 38.5mm
- Thick
- 11.6mm
- Weight
- 35g
4.3mm clear a side
View this sizeWatch 2 - 42mm battery life
The runtime the manufacturer publishes for everyday use.
- Smartwatch4 days
How the Watch 2 - 42mm ranks on battery
Against the 15 Oppo watches in our database, ranked on each figure Oppo publishes.
- Everyday use4 days#11 of 15
- Capacity510 mAh#6 of 14
Watch 2 - 42mm specifications
The figures that decide a purchase, followed by every line Oppo publishes.
- Battery life
- 4 days
- Display
- 1.91 inches
- Resolution
- 402 x 476 px
- Water rating
- Waterproof
- Storage
- 8GB
Full specification sheet
92 published lines across 8 groups, unedited
Design
- width
- 38.1
- height
- 42.4
- volume
- 18.74 cm³
- weight
- 31 g
- thickness
- 11.6
- resolution
- 402 x 476 px
- screen size
- 1.91 inches
- Display type
- OLED/AMOLED
- Has a display
- pixel density
- 326 ppi
- water resistance
- Waterproof
- Always-On Display
- has a touch screen
- waterproof depth rating
- 30 m
- Watch band is replaceable
- Has sapphire glass display
- has branded damage-resistant glass
Battery
- battery life
- 4 days
- battery power
- 510 mAh
- has wireless charging
- has a removable battery
- Has a solar power battery
- has a rechargeable battery
Sensors
- has GPS
- has a compass
- Has a barometer
- has a gyroscope
- Has a cadence sensor
- has an accelerometer
- Monitors perspiration
- Has a heart rate monitor
- Has a temperature sensor
- Monitors blood oxygenation levels
Features
- RAM
- 1GB
- CPU speed
- 4 x 1.7 GHz
- release date
- 2021-07-27
- Has a stopwatch
- Has smart alarm
- Has call control
- Has silent alarm
- internal storage
- 8GB
- Has notifications
- Locates your phone
- has voice commands
- Acquires GPS faster
- Has vibrating alerts
- Can be used to answer calls
- Has a built-in camera remote control function
Connectivity
- has NFC
- SIM cards
- 1 eSIM
- Wi-Fi version
- Wi-Fi 4 (802.11n)
- supports ANT+
- supports Wi-Fi
- Bluetooth version
- 5
- has a cellular module
- Is compatible with iOS
- Is compatible with Android
Miscellaneous
- Has passcode
- Is compatible with Windows
- Is compatible with Mac OS X
- has an external memory slot
- has a battery level indicator
- has a socket for a 3.5 mm audio jack
App & Software
- Ad-free
- Free app
- Has coaching
- Supports routes
- Has achievements
- Has goal setting
- Has exercise diary
- Can be personalised
- Has weight tracking
- Tracks water intake
- Has inactivity alerts
- Has temperature tracking
- Doesn’t require account
- Provides activity reports
- Counts how many calories you've burned
Activity tracking
- Measures pace
- Tracks distance
- Tracks elevation
- Designed for golf
- Tracks your sleep
- Tracks steps taken
- Designed for diving
- Has a route tracker
- Has exercise tagging
- Has multi-sport mode
- Tracks calorie intake
- Provides sleep reports
- Detects activities automatically
- Has a stroke counter for swimming
Alternatives to the Watch 2 - 42mm
Watches that cover a similar amount of wrist, with the measurements that separate them.
Oppo
Watch 4 Pro
- Width
- 38.3mm
- Thick
- 12.9mm
- Weight
- 52.3g
Oppo
Watch 3 Pro
- Width
- 38.5mm
- Thick
- 12.7mm
- Weight
- 37.5g
Oppo
Watch 3
- Width
- 38.5mm
- Thick
- 12.7mm
- Weight
- 37.5g
Oppo
Watch 2 - 46mm · 46.4mm
- Width
- 38.5mm
- Thick
- 11.6mm
- Weight
- 35g
Oppo
Watch - 41mm
- Width
- 36.4mm
- Thick
- 11.4mm
- Weight
- 29.7g
Oppo
Watch SE
- Width
- 43mm
- Thick
- 11.65mm
- Weight
- 31g
Watch 2 - 42mm — Frequently Asked Questions
Will the Oppo Watch 2 42mm fit my wrist?
The Oppo Watch 2 42mm looks balanced on flat wrist widths of roughly 45–61mm (about 12.0–16.3cm circumference). Drag the slider above to check it against your own measurement.
How long does the Oppo Watch 2 42mm battery last?
Oppo rates it at 4 days per charge in everyday use.
How does the Oppo Watch 2 42mm battery compare with other Oppo watches?
At 4 days in everyday use it ranks #11 of the 15 Oppo watches in our database — below the middle of the range. The full ranking, including GPS and power-saving figures, is on our Oppo battery life comparison.
Is the Oppo Watch 2 42mm thick for a 38mm watch?
At 11.6mm, middle of the pack for thickness at this width. Thickness, not case width, is what decides whether a watch catches on a shirt cuff.
Should I get the 38.1mm or 38.5mm Watch 2?
The Watch 2 comes in 2 case sizes — 38.1mm, 38.5mm. Which one suits you depends on the flat width of your wrist rather than preference: the larger sizes need a wider wrist to sit inside the edge. Set your measurement in the size picker above and each variant reports its clearance in millimetres.
What other watches are the same size as the Oppo Watch 2 42mm?
Apple Watch SE 3 - GPS + Cellular · 44mm, Huawei Watch Fit 4, Certina DS Action Diver 38 Powermatic 80 PVD / Black, Omega Railmaster Omega Co-Axial Master Chronometer 38 Stainless Steel / Grey Gradient all sit within half a millimetre of the Oppo Watch 2 42mm's 38.1mm case, so they cover the same amount of wrist.
What is the lug-to-lug of the Oppo Watch 2 42mm?
42.4mm, against a 38.1mm case width. Lug-to-lug is the measurement that decides overhang: if it exceeds the flat width of your wrist, the lugs sit past the edge no matter how modest the case diameter looks.
