Ratio FreeDiver Sapphire Stainless Steel Black Dial Quartz RTF031 200M Men's Watch stainless steel watches Specification Detail Model Number RTF037 CA0621 05L Specification Detail Model Number RTF037 Brand Ratio Collection FreeDiver Gender Men's Movement Type Quartz Case Material Stainless Steel Case Shape Round Estimated Case Size 42 44mm (typical diver dimensions) Estimated Weight 165g (approximate) Crystal Sapphire Dial Color White Bezel Type Unidirectional Rotating Bezel Color Black with White Markers Crown Type Screw down Band Material Stainless Steel Bracelet Type Three Link Oyster Style Estimated Band Width 20 22mm (standard diver sizing) Lugs Count 4 Water Resistance 200 meters 660 feet 20 ATM Functions Hours Features: Stainless Steel Case Stainless Steel Bracelet Solar Powered Caliber: 5640 Mineral Crystal Black Dial Analog Digital Display World Time Shock Resistant Power Saving Radio Controlled Watch Countdown Timer Stopwatch 5 Daily Alarms Double LED Light Full Auto Calendar 12 24 Hours Display Day And Date Display Screwed Case Back Deployment Clasp 200m Water Resistance Approximate Case Diameter: 44mm Approximate Case Thickness: 14mm Approximate Lug Width: 27mm this dive watch exemplifies the perfect balance of durability and refined aesthetics Distinctive Red Accents: Bold red seconds hand adds a sporty