Model : 18k Rose Gold Plated Polished Stainless Steel Fine Enginnered Casework, Black Skeleton Full Decorated Ornamental Dial, Roman Markers, Leather Strap with Insignia Deployant BuckleMovement: Asian Flying Man Tourbillon Handwind Movement with Moonphase and Power Reserve Complications, Fully Decorated Functions: Hours, Minutes, Sec ( Tourbillon @ 6 ) , Functional Power Reserve Indicator, Functional Moon Phase Dimensions : Dia 43mm x 13mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick 18K Rose Gold Plating.. 5 Mils Back : Display Case back with detail Engraving at case rims Crown : One-piece Pull out crown with o ring Crystal: Sapphire Crystal Water-resistant