Upgraded to 316F Steel and Superlume Dial and Needles !!!Model : 18K Champagne Gold Brushed 316 Stainless Steel Case-set, Bezel and Crown, Blue Checkered Dial, on 18K Champagne Gold Twotone Plated Stainless Steel Bracelet with deployant clasp Movement: Asian Eta 2824-2 Automatic movement, AP insignia on Rotor Functions: Hours, Minutes, Seconds, Date ( Set at Crown) Dimensions : Dia 38mm x 9mm Thk Correct Thickness! Material : 1 piece forged case construction, solid 316F stainless steel, Thick 18K Champagne Gold Plating... 5mils Back : Solid Caseback with Detail Engraving Crown : One-piece Screw down crown with o ring Crystal: Sapphire crystal Water-resistant