Case: 40 mm (diameter) / 11.5mm (thickness)
Case Material: Titanium
Wrist fit: 6 1/4 inches - 8 1/2 inches (168-215mm), 10 holes each 5.5mm apart / 20mm width
Wristband Material: Stainless Steel Mesh
Battery: Renata 371 button cell watch battery
Water/Shock Resistance: Bradley will easily withstand splashes or brief immersion in water, like getting caught in the rain or washing hands. However, it is not sufficiently resistant for water sports, swimming or bathing. Bradley is NOT intended to be worn during high level activity sports.