OUPINKE Diving Watch For Men Calendar Date Week Display Classic Business Men Watch High Quality Waterproof Luxury Man Wristwatch. Classic styling and high performance add up to an outstanding sport watch for your land or sea adventures. This automatic watch places a large round stainless steel case on a robust steel bracelet with gold-plated center links. The electric green/blue/blue dial is designed for quick and easy read-off, even in low light conditions. Features include HD Luminous Configuration, Waterproof 50M, Synthetic Sapphire Mirror, Mechanical Movement, and a stainless steel watch band. Case diameter: 41mm, Case thickness: 13mm, Strap width: 20mm, Strap length: 20cm.