Model : Engineered Polised Stainles Steel Case, White Dial, Open Heart Tourbillon Design at 10.00。, Leather Strap with Insignia Deployant ClaspMovement: Asian Venus 75 Handwind Chonograph Movement with Power Reserve ComplicationsFunctions: Hours, Minutes, Sec ( Tourbillon ) , Chronograph, Min Counter (3.00) Dimensions : Dia 42mm x 14mm Thk Material : 1 piece forged case construction, solid 316 stainless steel Back : Display Case back with detail Engraving at case rimsCrown : One-piece Pull out crown with o ring Crystal: Sapphire Crystal front and back Water-resistant