Model :Polished Finish Engineered Stainless Steel Caseset , White Duo Tier Dial , Black Roman Markers on Stainless Steel Link Bracelet with Insignia Double Fold over Clasp, Movement: Asian Flyingman Tourbillon Manual Handwind Movement Functions: Hours, Minutes, Seconds : Expose Balance Wheel and Tourbillon Dimensions : Dia 47mm x 15mm Thk Material : 1 piece forged case construction, solid 316 stainless steel Back : Display case with Detail Engraving on case rims Crown : One-piece Pull out crown with o ring Crystal: Sapphire crystal, Double Sided AR coated. Water-resistant