Blancpain Leman Calendar Moonphase An 18ct gold automatic wristwatch, recent. Dial: matte white dial, applied gold baton and Arabic numerals, outer chapter ring to indicate date, subdial for seconds with moon phase at 6 o'clock, day and month apertures at 12 o'clock. Calibre: cal. 6763 automatic, 31 jewels. Movement number: 823 1B 1725. Case: 18ct gold case with sapphire glass, screw-down back. Ref number: 2763 1418A 53B. Closure: brown leather strap, 18ct gold clasp signed Blancpain. Dimensions: 38 mm. Signed: case, dial and movement. Accessories: Blancpain guarantee and presentation box.