A Yellow Gold, Platinum, Diamond and Polychrome Enamel Open Face Pendant Watch, 27.00 mm case diameter, matte gilt dial, Arabic numerals, blued steel moon hands, subdial for seconds at 6 o'clock, grey-blue and white enamel bezel, the scalloped bow accented in white enamel, the reverse surmounted with a platinum openwork plaque containing 37 rose cut diamonds over translucent grey-blue enamel on an intricately engraved ground, stem wound and set mechanical movement. 11.80 dwts.