44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)

Apple Watch SE (2022)

49 x 44 x 14.4 mm (1.93 x 1.73 x 0.57 in)

Apple Watch Ultra

45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)

250.6 x 174.1 x 7.5 mm (9.87 x 6.85 x 0.30 in)

280.6 x 214.9 x 5.9 mm (11.05 x 8.46 x 0.23 in)

247.6 x 178.5 x 5.9 mm (9.75 x 7.03 x 0.23 in)

Space Gray, Silver, Rose Gold, Green, Sky Blue

247.6 x 178.5 x 6.1 mm (9.75 x 7.03 x 0.24 in)

280.6 x 214.9 x 6.4 mm (11.05 x 8.46 x 0.25 in)

195.4 x 134.8 x 6.3 mm (7.69 x 5.31 x 0.25 in)

Space Gray, Starlight, Pink, Purple, Blue

248.6 x 179.5 x 7 mm (9.79 x 7.07 x 0.28 in)