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Apple Watch Series 7 GPS Aluminium 41mm vs Watch Series 7 GPS Aluminium 45mm

Size, specs & wrist fit compared

Apple Watch Series 7 GPS Aluminium 41mm
Apple Watch Series 7 GPS Aluminium 41mm
35mm × 41mmView specs
Apple Watch Series 7 GPS Aluminium 45mm
Apple Watch Series 7 GPS Aluminium 45mm
38mm × 45mmView specs

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

Case width
35mm
38mm+3mm
Lug-to-lug
41mm
45mm+4mm
Thickness
10.7mm
10.7mmsame
Weight
32g
38.8g+6.8g

Watch Series 7 GPS Aluminium: 41mm or 45mm by wrist size

Wrist round (mm left each side)41mm45mm
14 cm / 5.5 inSweet spot (2.1mm)Bold (0.1mm)
15 cm / 5.9 inBalanced (3.7mm)Sweet spot (1.7mm)
16 cm / 6.3 inBalanced (5.3mm)Sweet spot (3.3mm)
17 cm / 6.7 inBalanced (6.9mm)Balanced (4.9mm)
18 cm / 7.1 inBalanced (8.5mm)Balanced (6.5mm)
19 cm / 7.5 inUnderstated (10.1mm)Balanced (8.1mm)
20 cm / 7.9 inUnderstated (11.8mm)Understated (9.8mm)

How the fit model works · Size chart for every wrist

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Apple Watch Series 7 GPS Aluminium 41mm

Apple

Watch Series 7 GPS Aluminium 41mm

Apple Watch Series 7 GPS Aluminium 45mm

Apple

Watch Series 7 GPS Aluminium 45mm

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Battery life compared

41mm45mm

  • Battery life

    0.75 days
    0.75 days

2D Dimension Schematics

Top view
Side view
  • 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

Open 3D try-on

Specifications

The short version

11 key specs
SpecAppleWatch Series 7 GPS Aluminium 41mmAppleWatch Series 7 GPS Aluminium 45mm
Case Width35mm38mm
Lug-to-Lug41mm45mm
Thickness10.7mm10.7mm
Weight32g38.8g
ShapeRectangleRectangle
Water Resistance5 ATM5 ATM
GPSYesYes
Display typeOLED/AMOLEDOLED/AMOLED
Screen size1.69 inches1.9 inches
Battery life0.75 days0.75 days
Released20212021

Where the specifications differ

7 differences
SpecApple Watch Series 7 GPS Aluminium 41mmApple Watch Series 7 GPS Aluminium 45mm
Design
width3538
height4145
volume15.35 cm³18.3 cm³
weight32 g38.8 g
resolution352 x 430 px396 x 484 px
screen size1.69 inches1.9 inches
Battery
battery power284 mAh309 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 →