The smallest Apple Watch available today is the Apple Watch SE 40mm. The smallest case of the latest model, the Apple Watch 7, is slightly larger at 41mm (diameter), while the largest is the Apple Watch 7 45mm.
Previous Apple Watch models offered sizes starting at 38mm. Like smartphones, smartwatches are growing larger to accommodate more features.
The smallest Apple Watch from a few years ago is the Apple Watch 1, 2, or 3 in 38mm, which is 2mm smaller than the current smallest, the Apple Watch SE 40mm.
Each Series Offers Different Sizes
The Apple Watch has been around for a while and has seen various sizes. The Apple Watch 1 through 3 were available in case sizes 38mm or 42mm. With the Apple Watch 4 through 6 (and SE), you could choose 40mm or 44mm. Currently, the Apple Watch 7 offers 41mm or 45mm, a trend likely to continue with future models.
New Strap for Your Apple Watch? Mind the Size!
When buying new Apple Watch straps, it’s crucial to consider the case size. You can select a strap for models in sizes [38mm, 40mm & 41mm] or [42mm, 44mm & 45mm], which depends on the case size, not the series.
Measure your wrist to determine the length of your watch strap for the best fit.
Which Apple Watch Case Size?
Already own an Apple Watch but unsure of its size? You can find the model in your Apple Watch settings. For precise details, read our previous article: "Which Apple Watch Model Do I Have?".
Apple Watch Case Sizes Available:
- Apple Watch (1st generation): 38mm & 42mm
- Apple Watch 2: 38mm & 42mm
- Apple Watch 3: 38mm & 42mm
- Apple Watch 4: 40mm & 44mm
- Apple Watch 5: 40mm & 44mm
- Apple Watch 6: 40mm & 44mm
- Apple Watch SE: 40mm & 44mm
- Apple Watch 7: 41mm & 45mm
What Size Is the Apple Watch 7?
The Apple Watch 7 in the 45mm version features a 1.9-inch Retina display, while the 41mm version has a 1.61-inch Retina display.
Check out our Apple Watch 7 straps to ensure a perfect fit!
Case Size Dimensions for Apple Watch Models
| Series 4/5/6/SE | Series 7 | |
|---|---|---|
| Case Height | 40mm or 44mm | 41mm or 45mm |
| Case Width | 35mm or 37mm | 36mm or 38mm |
| Case Depth | 10.7mm | 10.7mm |
Conclusion
The smallest current Apple Watch is the Apple Watch SE 40mm. The smallest from the past is a 38mm model from the Series 1, 2, or 3. With the Apple Watch 7 and beyond, the 41mm variant is now the smallest available.
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