Harry Winston Premier Excenter Double Retrograde Perpetual Calendar 18K White Gold

More about Premier Excenter Double Retrograde Perpetual Calendar 18K White Gold

This is an 18K white gold Harry Winston Premier Excenter Double Retrograde Perpetual Calendar W2644402. It has a composite rubber strap with outer white gold linked lozenges and an 18K white gold deployment buckle, and scratch resistant sapphire crystals. It has a signed screw down winding crown, correctors for the perpetual calendar functions at 9 o'clock on the left-side case band, and another at 1 o'clock on the right side band. There is a screw down pusher at two o'clock for the running seconds, and it has an exhibition sapphire display case back secured with 8 screws, engraved with "HARRY WINSTON," and serial numbers and hallmarks. The 41mm diameter solid three-body case, downturned lapidated lugs, and stepped convex lugs, are polished. The dial is silver and anthracite grey with a grey sunray white gold-ringed off-center time dial at the upper right area with applied luminous black-filled baton hour indices, blue hour markers, a black concentric circle guilloche center, a luminous white and minute/seconds scale, and white gold rounded baton hands with black luminous inserts. There is also a third blue baton hand for the GMT second time zone, and twin polished screws at 3 and 9 o'clock. There is also a circular blue/white moon phase indicator aperture at the 6 o'clock position of the time sub-dial. It includes a hemispherical dark grey subsidiary dial with a white Arabic numeral retrograde date arch with luminous blue markers on the lower left area, and there is a black concentric circle guilloche center with a white gold retrograde indicator hand, marked "PERPETUAL CALENDAR" in white. There is another retrograde gold-rimmed hemispherical month sub-dial at the upper left with a dark grey reserve with six luminous white months (in English) that alternate with 6 luminous blue markers, and with the same black guilloche center and a broad blue arrow retrograde hand. It includes a small gold ringed leap year aperture window between the month and time dials with black Arabic numerals and a blue indicator arrow as well as a blue leap year "4." All three sub dials are imposed on a silver center circle. It's water resistant to 30 meters/100 feet, it has a 45-hour power reserve at full winding, and the 13mm thick case, dial, and movement are all signed. This Harry Winston Premier Excenter Double Retrograde Perpetual Calendar W2644402 has a mechanical automatic self-winding Harry Winston caliber 3306 OP movement that's rhodium plated. It's constructed with 35 jewels, an anti-shock system, and a straight-line lever escapement. The mechanism oscillates at a frequency of 28,800 vph (4 Hz).

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