Specifications GV2 4546 Men's XO Submarine Swiss Automatic Watch Gevril Men's Swiss Automatic from the XO Submarine Collection 44mm 316L stainless Steel Black Case with Black dial, Black Bezel, Luminous Hands and Hour Markers Unidirectional Rotating Bezel, Dual time zone Screw down crown, Case back 4 screws Genuine Black Canvas on Italian Leather with Tang Buckle Anti-reflective Sapphire Crystal Water Resistant to 100 Meters/10ATM Swiss Automatic Movement, Sellita SW200-1