Citizen Attesa H800 Ring Sapphire Bezel pairs atomic timekeeping precision with a lightweight Super Titanium case, offering travel-ready functions and a durable chronograph for everyday wear. Key attributes: Black | Dark grey | Super titanium | Water resistance WR100 / 10 Bar | Eco-Drive light-powered movement | Atomic Timekeeping (radio-controlled) | Scratch-resistant sapphire crystal | Lightweight, corrosion-resistant construction | Chronograph (1/20 second, up to 60 minutes) | Perpetual calendar | Power reserve indicator | Day/date display | World time (26 time zones) | Fold-over clasp with push buttons | Adjustable bracelet sizing available | Ring sapphire bezel | Black dial with three-register chronograph | Vertical sub-dials | Triple-link bracelet | Dark grey DLC coating | Dimensions & fit: Case diameter: 42 mm | Adjustable bracelet; bracelet sizing available | Bracelet with fold-over clasp and push buttons | Composition & care: Super titanium (case and bracelet) | DLC coating | Sapphire crystal | Wipe with a soft cloth. Rinse with fresh water after saltwater exposure. Avoid strong chemicals and extreme temperatures. Have bracelet sizing and servicing performed by an authorized technician.