Model : 18K Rose Gold Plated Brushed Stainless Steel Caseset, Black Dial, White Subdial on Leather Strap with insignia Deployant Clasp Movement:Swiss Eta 1/10th Sec working Chronograph Quartz Movement,.. Functions: Hours, Minutes, Secs, Big Date at 12.00 ( Perpetual Movt 31 to 1, Set via crown), Chronograph 6.00 Subdial - Running Secs 9.00 Subdial : Minute Counter 3.00 Subdial : 1/10th sec reader Dimensions : Width 47mm x 18mmThk Material : Solid 316 Stainless Steel in Brushed finishedBack : Solid case back with Detail Signature Graphic Caseback, Serial Engraving on Case Rims Crown : One-piece Screw down crown Crystal: Sapphire Crystal Water-resistant