Silverfox gentlemen New Steel Strap Automatic Watch (With Indicators)Size Guide Imperial Diameter, in 1. 8 Thickness, in 0. 5 About No Battery Required Designed For Unisex 3ATM Water resistance Classic Analogues make your every second count! Running by high quality automatic mechanical movement, without battery supported. High density stainless steel body, accurate timing, suitable for business and casual occasions. Key Features Automatic Mechanical Movement High quality automatic mechanical movement, easily rotates