Official description
Hand-engraved and hand-patinated gold dial, black onyx subdial. Hand-engraved and hand-patinated birds. 18-carat red gold case, height 18.40 mm, hand-engraved middle and back, Individual limited serial number engraved on the case-back. Minute repeater, hand-winding mechanical movement. Power reserve of 48 hours. 47 mm diameter.