Movement: FC-719 Movement Technology: Automatic Country: Switzerland Movement: FC-71 Movement Technology: Automatic Movement Description: Powered by the release of a wound spring, mechanical movements never require a battery. Automatic mechanical movements have an oscillating weight that winds the spring with the motion of the wearer’s arm. Country: Switzerland Case Color: Silver-Tone Case Shape: Round Case Material: Stainless Steel Case Length: 40 mm Case Thickness: 12.53 mm Lug Width: 21.35 mm Water Resistance: WR50/5Bar/166ft [Still Water Swimming] Dial Color: Blue Dial Material: Brass Crystal: Anti-Reflective Sapphire Crystal Crystal Description: Impact and shatter resistant - anti-reflective coating deflects light Band Type: Bracelet Band Material: Stainless Steel Strap: Silver-Tone Clasp Type: Folding buckle with push buttons