Product DetailsSku: FS5815Case Size: 46MMMovement: ChronographPlatform: FORRESTER CHRONOStrap Material: LeatherWater Resistance: 5 ATMCase Color: GunmetalCase Material: Stainless SteelDial Color: GrayStrap Fashion Color: AmberInterchangeable Compatibility: 24MMStrap Width: 24MMClosure: Single Prong Strap BuckleStrap Inner Circumference: 200 /- 5MMBattery Type: SR621SW