1957 Rolex Explorer 6610 Gilt Dial with "Night Sky" Patina with Box Service Papers 16528 The clasp is stamped with

The clasp is stamped with a J9 date code

The black bezel insert has faded to a medium grey and shows light wear from use

Excellent blue ceramic bezel with no visible chips or scratches

The original papers and the sales receipt match but the serial number was punched incorrectly on the paperwork and covered with sticker that has the correct serial number

1957 Rolex Explorer 6610 Gilt Dial with "Night Sky" Patina with Box Service Papers 16528 The clasp is stamped withCase & Bracelet Excellent case that shows light wear from use. Excellent tan NATO strap. Dial Excellent gilt dial with extensive and even patina. Lume has turned a warm creamy hue and the hands match the dial. Accessories Box and Service Papers The watch is running at COSC spec.