Features: case/bezel material: stainless steel leather strap quartz movement caliber: 5354 sapphire crystal blue dial analog display chronograph function 1/10-second stopwatch regular timekeeping luminous hands and markers accuracy: ±20 seconds per month date display screw down crown solid case back buckle clasp 100m water resistance approximate size of case: 50 x 44.1 x 11.6mm