Sun Flame TJG17-BL Stylish Design Water Resistant Japanese Movement Durable Stainless Steel BandProduct Highlights A simple, easy to read, and user friendly JAXIS Standard Series. The movement uses reliable Japanese manufacturing. The battery lasts approximately 3 years. Product Overview A simple, easy to read, and user friendly JAXIS Standard Series. The movement uses reliable Japanese manufacturing. The battery lasts approximately 3 years. Specifications Others Specifications: Non waterproof alloy case: Size diameter 39. 5mm Band: Resin strap