Steel HR (36 mm)
- Watch diameter: 36.3 mm diameter (1.4 in.)
- Digital display: 12.1 mm diameter with 36 x 72 pixels
- Watch thickness: 12.5 mm (0.5 in.)
- Weight: 39 g (1.38 oz)
- Wristbands: Fits wrists up to 200 mm. (7.9 in.)
Steel HR (40 mm)
- Watch diameter: 39.5 mm (1.6 in) diameter
- Digital display: 12.1 mm diameter with 36 x 72 pixels
- Watch thickness: 12.5 mm (0.5 in.)
- Weight: 49 g (1.72 oz)
- Wristbands: Fits wrists up to 230 mm. (9.1 in.)
Steel HR Sport (40 mm)
- Watch diameter: 39.5 mm (1.6 in) diameter
- Digital display: 12.1 mm diameter with 36 x 72 pixels
- Watch thickness: 13 mm (0.5 in.)
- Weight: 49 g (1.72 oz)
- Wristbands: Fits wrists up to 230 mm. (9.1 in.)
- Water resistant up to 50 m (165 ft)