Mido Ocean Star Decompression Worldtimer is an automatic watch built for sea use and travel, combining a 41 mm stainless steel case with strong water resistance for maritime activities. Key attributes: Black | Steel | Steel | Water resistant to 20 bar (200 m) | Automatic movement | Black dial | Worldtimer bezel | Decompression scale | Dimensions & fit: Case diameter: 41 mm | Composition & care: Case: Steel | Strap: Rubber Colour: metallic