Sugess Chrono Heritage 423 Chronograph Black Dial 42mm WR50 Manual Men Watch S423 Brand: Sugess Condition: New with tags Series: Chrono Heritage Model:Chrono Heritage S423 Black Dial (SUGESS Upgrade Gold Swan Neck Sea-gull ST1901 movement) Function: 12 Hours and seconds Indicator, 30 Minutes Chronograph Features: Column Wheel Chronograph, Blue steel screws and Exhibition Case Back Cover Diameter: 42mm Thickness: 11.5mm (13mm with sapphire glass) Lug width: 22mm Lug to Lug: 51mm Glass Material: Domed Sapphire Crystal Case Material: 316L Stainless Steel Band: Genuine Leather Movement: Manual winding Caliber: Genuine Seagull ST1901 (Gold Swan Neck Version) Jewels: 21 Vibration: 3 Hz (21,600 BPH) Power Reserve: 35+ Hours Water Resistant: 5ATM (50 Meters) CT SKU: 590400101101