Produced by 1400 YMS: Omega OMEGA's third generation Diefei Elegant makes its grand debut 1 The latest launch of Omega Diefei series elegant small second hand model fully automatic mechanical men's steel belt style new upgraded version 41 watch diameter synchronous official website internal installation (eight-claw black balance wheel) The Omega 8802 Master Chronometer movement is clearly visible through the sapphire glass case back, with accurate travel time and 55 hours of power reserve. 2 Case material: 316L stainless steel, arched sapphire glass, anti-reflective treatment inside, arched dial, printed with irregularly arranged vertical textures. 3 Italian cowhide with original pin buckle, waterproof depth 50 meters, two-hand semi-mechanical watch ,,,omega,cowhide