Huawei Watch GT 3 42mm vs Watch GT 3 45mm
Size, specs & wrist fit compared
Which one fits you
Under 16.5 cm (6.5 in) round, the 45mm's lugs overhang and the 42mm's do not; the 42mm fills the wrist at 16–17.5 cm, the 45mm at 17.5–19.5 cm.
What else differs
- Screen: the 45mm has the larger screen, 1.43 in across against 1.32 in on the 42mm.
- Battery: 14 days for the 45mm against 7 days for the 42mm in everyday use.
Among the 42 smartwatches 42mm across that we hold thickness for, the Watch GT 3 42mm is thinner than 90%, so it wears flatter than its width suggests.
The Watch GT 3 45mm is 3.6mm wider, 0.8mm thicker and 7.6g heavier than the Watch GT 3 42mm.
Watch GT 3 42mm
Watch GT 3 45mm
Watch GT 3: 42mm or 45mm by wrist size
| Wrist round (mm left each side) | 42mm≈48.5mm lug to lug, est. | 45mm≈53mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (1.7mm over) | Overhangs (3.9mm over) |
| 15 cm / 5.9 in | Overhangs (0.1mm over) | Overhangs (2.3mm over) |
| 16 cm / 6.3 in | Sweet spot (1.6mm) | Overhangs (0.7mm over) |
| 17 cm / 6.7 in | Sweet spot (3.2mm) | Bold (0.9mm) |
| 18 cm / 7.1 in | Balanced (4.8mm) | Sweet spot (2.5mm) |
| 19 cm / 7.5 in | Balanced (6.4mm) | Sweet spot (4.1mm) |
| 20 cm / 7.9 in | Balanced (8mm) | Balanced (5.8mm) |
Switch or add watches
Huawei
Watch GT 3 42mm
Huawei
Watch GT 3 45mm
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Battery life compared
Furthest apart in Battery life mode, where the 45mm lasts 2.0× as long as the 42mm (14 days against 7 days).
42mm45mm
Battery life
7 days14 days
2D Dimension Schematics
- Huawei Watch GT 3 42mm 42.3mm × ≈48.5mm (est.) · 10.2mm thick
- Huawei Watch GT 3 45mm 45.9mm × ≈53mm (est.) · 11mm thick
3D preview
Watch GT 3 42mm vs Watch GT 3 45mm on a wrist
Specifications
The short version
10 key specs| Spec | HuaweiWatch GT 3 42mm | HuaweiWatch GT 3 45mm |
|---|---|---|
| Case Width | 42.3mm | 45.9mm |
| Thickness | 10.2mm | 11mm |
| Weight | 35g | 42.6g |
| Shape | Circular | Circular |
| Water Resistance | 5 ATM | 5 ATM |
| GPS | Yes | Yes |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Screen size | 1.32 inches | 1.43 inches |
| Battery life | 7 days | 14 days |
| Released | 2021 | 2021 |
Where the specifications differ
9 differences| Spec | Huawei Watch GT 3 42mm | Huawei Watch GT 3 45mm |
|---|---|---|
| Design | ||
| width | 42.3 | 45.9 |
| height | 42.3 | 45.9 |
| volume | 18.25 cm³ | 23.17 cm³ |
| weight | 35 g | 42.6 g |
| thickness | 10.2 | 11 |
| screen size | 1.32 inches | 1.43 inches |
| pixel density | 353 ppi | 326 ppi |
| width of band | 20 mm | 22 mm |
| Battery | ||
| battery life | 7 days | 14 days |
The other 107 specifications both list are identical.
Full Huawei Watch GT 3 42mm specifications →Full Huawei Watch GT 3 45mm specifications →