Technomarine Reef Black Chronograph Quartz Blue Dial Men's Watch TM-519002 Brand: Technomarine Series: Reef Black MPN: TM-519002 Gender: Men's Case Material: Stainless Steel and Silicone Case Color: Black and Steel and Blue Case Size: 45.4 mm Band Material: Stainless Steel Band Color: Silver-tone Features: Calendar, Chronograph, Stainless Steel Lug Width: 22mm Movement: Quartz Engine: Hattori Caliber VD57 Case Thickness: 13.65 mm Water Resistance Rating: 200 m (20 ATM) Age Group: Adult Display: