细节
Harry Winston. A fine and rare platinum limited edition automatic double retrograde perpetual calendar wristwatch with moon phases
Signed Harry Winston, Premier Excenter Perpetual Calendar model, no. 21/25, case no. 5134, circa 1989
Cal. 3106 QP automatic movement, 31 jewels, two-tone silvered dial, applied baton numerals, two arched sectors for retrograde day and date, each pierced to reveal partial viewing of the movement, subsidiary dial for month and leap year, aperture for the moon phases, circular case, inclined bezel, U-shaped flexible lugs, glazed display back, 18K white gold Harry Winston deployant clasp,case and movement signed
37.5 mm. diam.