Model : 18K Rose Gold Plated Polished Stainless Steel Casework, White Vertical Ray Dial, Superlume Stick Markers and Needles on Leather Strap with Insignia Deployant Buckle Movement:Asian Flying Manual Handwind TourbillonFunctions: Hours, Minutes, Seconds (Rotating Tourbillon), Sun Moon Day Phase Dimensions : Width 42mm x 13mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick 18K Rose Gold Plating .. 5 Mils Back : Display Caseback Crown : One-piece Pull down crown with o ring Crystal: Sapphire crystal, Double AR Coating Water-resistant