细节
PATEK PHILIPPE, ADVANCED RESEARCH, ANNUAL CALENDAR, REF. 5450P, SPIROMAX
PLATINUM AUTOMATIC ANNUAL CALENDAR WRISTWATCH WITH MOON PHASES, POWER RESERVE INDICATION, SILINVAR SPIROMAX BALANCE SPRING AND SILICON ESCAPE WHEEL, LIMITED EDITION OF 300
MANUFACTURED IN 2008
Calibre 324 S IRM QA LU, Geneva Seal hallmarked, 36 jewels, Gyromax balance, Silinvar Spiromax balance spring, silicon escape wheel, salmon dial, sweep centre seconds, two subdials for day and month, apertures for date and moon phases, power reserve indicator, two-part case, screw down transparent case back with integrated loupe and engraved inscription "Patek Philippe Advanced Research", platinum PPCo deployant clasp, case, dial and movement signed
Diameter: 39 mm.