White shell rose gold third generation Diefei elegant grand debut 1TW latest launch of Omega Diefei series elegant small seconds model new upgraded version 41 watch diameter synchronous official website Internally equipped with Omega 8802 Master Chronometer movement Through the sapphire glass case back, the movement The operation is clearly visible, the travel time is accurate, and the power reserve is 55 hours. 2 Case material is 316L stainless steel, arched sapphire glass, anti-reflective treatment inside, arched dial, printed with irregularly arranged vertical textures. 3 Italian cowhide with original buckle Waterproof depth 50 meters,