Case: Stainless steel Dimensions: 40 x 45mm   Bracelet: Stainless steel Detachable and adjustable   Movement: Miyota automatic mechanical movement Waterproof upto 30 metres / 3 ATM -12/+12 sec / day, after casing   Precision:  -12/+12 sec/day After casing Bidirectional self-winding via Perpetual rotor Approximately 40 hours power reserve   Style: pea001-gblk Color: Black Bezel / Black Dial Material: Stainless Steel