Model : Polished Stainless Steel Case, Rose Gold Outter Disc Skeleton Dial, Printed Minute Numeral Hour Markers on Leather Strap Insignia Buckle Movement: Asian 2813 Automatic Movement With Duo Time / Day-Nite Phase Complications, 23J Functions: Hours, Minutes, Secs ( Faux Tourbillon - Open Balance Wheel at 12.00), 2nd Time Zone at 6.00 subdial, Day-Nite Phase at 12.00 Subdial Dimensions : Dia 45.5mm x 14.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel Back : Display Caseback with Detail Engraving Crown : One-piece Pull Out crown with o ring Crystal: Sapphire Crystal Water-resistant