Apple Watch Series 7 GPS Aluminium 41mm vs Watch Series 7 GPS Aluminium 45mm
Size, specs & wrist fit compared
Which one fits you
Under 14 cm (5.5 in) round, the 45mm's lugs overhang and the 41mm's do not; the 41mm fills the wrist at 13.5–15 cm, the 45mm at 14.5–16.5 cm.
What else differs
- Screen: the 45mm has the larger screen, 1.9 in across against 1.69 in on the 41mm.
- Battery: the 45mm carries a 309 mAh cell against 284 mAh in the 41mm, 9% more; neither spec sheet lists runtimes by mode to line up.
The Watch Series 7 GPS Aluminium 45mm is 3mm wider, 4mm longer and 6.8g heavier than the Watch Series 7 GPS Aluminium 41mm.
Watch Series 7 GPS Aluminium 41mm
Watch Series 7 GPS Aluminium 45mm
Watch Series 7 GPS Aluminium: 41mm or 45mm by wrist size
| Wrist round (mm left each side) | 41mm | 45mm |
|---|---|---|
| 14 cm / 5.5 in | Sweet spot (2.1mm) | Bold (0.1mm) |
| 15 cm / 5.9 in | Balanced (3.7mm) | Sweet spot (1.7mm) |
| 16 cm / 6.3 in | Balanced (5.3mm) | Sweet spot (3.3mm) |
| 17 cm / 6.7 in | Balanced (6.9mm) | Balanced (4.9mm) |
| 18 cm / 7.1 in | Balanced (8.5mm) | Balanced (6.5mm) |
| 19 cm / 7.5 in | Understated (10.1mm) | Balanced (8.1mm) |
| 20 cm / 7.9 in | Understated (11.8mm) | Understated (9.8mm) |
Switch or add watches
Apple
Watch Series 7 GPS Aluminium 41mm
Apple
Watch Series 7 GPS Aluminium 45mm
As an Amazon Associate, WatchFitTool earns from qualifying purchases.
Battery life compared
41mm45mm
Battery life
0.75 days0.75 days
2D Dimension Schematics
- Apple Watch Series 7 GPS Aluminium 41mm 35mm × 41mm · 10.7mm thick
- Apple Watch Series 7 GPS Aluminium 45mm 38mm × 45mm · 10.7mm thick
3D preview
Watch Series 7 GPS Aluminium 41mm vs Watch Series 7 GPS Aluminium 45mm on a wrist
Specifications
The short version
11 key specs| Spec | AppleWatch Series 7 GPS Aluminium 41mm | AppleWatch Series 7 GPS Aluminium 45mm |
|---|---|---|
| Case Width | 35mm | 38mm |
| Lug-to-Lug | 41mm | 45mm |
| Thickness | 10.7mm | 10.7mm |
| Weight | 32g | 38.8g |
| Shape | Rectangle | Rectangle |
| Water Resistance | 5 ATM | 5 ATM |
| GPS | Yes | Yes |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Screen size | 1.69 inches | 1.9 inches |
| Battery life | 0.75 days | 0.75 days |
| Released | 2021 | 2021 |
Where the specifications differ
7 differences| Spec | Apple Watch Series 7 GPS Aluminium 41mm | Apple Watch Series 7 GPS Aluminium 45mm |
|---|---|---|
| Design | ||
| width | 35 | 38 |
| height | 41 | 45 |
| volume | 15.35 cm³ | 18.3 cm³ |
| weight | 32 g | 38.8 g |
| resolution | 352 x 430 px | 396 x 484 px |
| screen size | 1.69 inches | 1.9 inches |
| Battery | ||
| battery power | 284 mAh | 309 mAh |
The other 104 specifications both list are identical.
Full Apple Watch Series 7 GPS Aluminium 41mm specifications →Full Apple Watch Series 7 GPS Aluminium 45mm specifications →

