MODEL AT8189-61E 11/02/2023 MOVEMENT TECHNOLOGY H800 Eco-Drive Powered by any light source, continuously and sustainably, eliminating the need to replace watch batteries. CASE WIDTH (MM) 42 LUG WIDTH (MM) 21 BAND TYPE Bracelet Super Titanium CASE MATERIAL Silver-Tone Super Titanium CRYSTAL Anti-Reflective Sapphire Crystal Impact and shatter resistant - anti-reflective coating deflects light CLASP Fold Over Clasp with Push Buttons DIAL Black WATER-RESISTANCE WR100/10Bar/333ft [Swimming, Showering & Snorkeling] ADDITIONAL FUNCTIONS Synchronized to Atomic Time Clock for Superior Accuracy Atomic Timekeeping Technology with Synchronized Time Adjustment Available in 26 Time Zones 1/20 Second Chronograph Measures up to 60 Minutes Perpetual Calendar 12/24 Hour Time Power Reserve Indicator Day/Date