Movement Asian Valjoux 7750 Movement. 21600 VPH self-winding. Hack mechanism. Case & Bracelet Highest quality stainless steel. Brushed & Polished Case & Case-back. Brushed Bracelet. Inner-Bezel rotating by turning 9 o’clock sub-button. Bracelet linked by pins. Distinct Engravings on each respective places. Anti-reflective Sapphire crystal glass. Size & Weight Weight: 145g. Case diameter: 45mm (Stem excluded). Thickness: 16mm. Functions *Chronograph 3 o'clock sub-dial : Perpetual Second hand. 9 o'clock sub-Dial : 30 Minutes Chronograph register. 2 o'clock sub-button : Starts & Stops Chronograph. 4 o'clock sub-button : Resets Chronograph.