Model :18K Rose Gold Plated Polished Stainless Steel Casework , Black Dial , Roman Numerals Hour Markers, Leather strap with 18K Rose Gold Plated Insignia Tang BuckleMovement: Asian 2813 21J Automatic Movement with Calender Complications, Insignia Rotor Functions: Hours, Minutes, Seconds, 2nd Time Zone ( Set Via Crown) Duo Date Window at 1.00 (Set via recess Pusher on Case side), Month and Day ( Set Via Recess Pusher on Case Set) ... Day and Date will advance automatically .. Month Need Manual adjustment..nbsp; Dimensions : Dia 46mm x 13mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick 18K Rose Gold Plating.. 5 Mils Back : Display Caseback with Detail Engraving on Case Rims Crown : One-piece Pull out crown with o ring Crystal: Sapphire Crystal Water-resistant