Men's Swiss Made Analog Automatic Chronometer movement, bitting at 28800 vph (4/10 beats per second). 31 Jewel mechanical self-winding. Approximate power reserve: 48 hours. Date display at the 3 o'clock position. Blue Dial features yellow gold-tone luminous hour markers and hands for illumination in low light conditions. Includes uni-directional rotating aluminum bezel with blue inserts, screw down Oyster crown. Silver-tone stainless steel round case (approx. 40 mm diameter) equipped with a solid case back. Accompanied by two-tone silver-tone and yellow gold-tone stainless steel oyster bracelet composed of both materials.