Patek Philippe 5450P-001 Advanced Research Annual Calendar Platinum Salmon Dial Limited UNWORN (30651)

30651 Patek Philippe 5450 P ADVANCED RESEARCH Annual Calendar, 5450P-001, 5450P, Limited Edition to 300 Pieces, platinum case on a strap with a platinum deployment buckle, automatic Patek Philippe caliber Calibre 324 S IRM QA LU, scilicon escape wheel, spiromax balance spring, annual calendar with day date month and moon phase, power reserve indicator, center sweep second hand, salmon dial with applied charcoal numerals and hour markers, sapphire crystal, display back, with engraved inscription "Patek Philippe Advanced Research", water resistant, diameter: 39 mm, thickness: 11.2 mm, Unworn with original Advanced Research Box, booklets, tags, push pin and original certificate dated Feb / 2009

$83,500

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More about Patek Philippe 5450P-001 Advanced Research Annual Calendar Platinum Salmon Dial Limited UNWORN

This is a platinum Patek Philippe Advanced Research Annual Calendar 5450P. It's self-winding with a salmon color dial and applied numeral hour markers and baton indexes. It has a sweep seconds hand with luminescent inlays, an outer minute/seconds rail, a moon phase sub dial, and a rectangular date window at 6 o'clock. The day marker sub dial is at 9 o'clock, and the months are at 3. There is a plus-minus power reserve of 45 hours at 12 o'clock, and the case, dial, and movement are signed. The solid two-body case is polished, with a display screw-down case back including a cyclops-magnifying lens over the escape and balance wheels. It has a stepped, rounded bezel, concave lugs, and sapphire crystals. The back crystal is inscribed: Patek Philippe Advanced Research. It's water resistant to 2.5 atm.

The automatic calibre 324 S IRM QA LU movement is rhodium-plated with fausses cotes decoration and the stamp of the Seal of Geneva quality mark. It's built with 36 jewels, 355 parts, and it oscillates at 28,800 vibrations per hour. It has a 21K gold rotor with zirconium ball bearings, a silicon escape wheel, a self-compensating Silinvar Spiromax balance spring, and a straight-line lever escapement. The leather strap has an 18K rose gold double-fold deployant clasp and the special engraved inscription: "Patek Philippe Advanced Research."

This watch was previewed at the Basel watch show in 2006 and went into production of only 300 pieces beginning in 2007.