Patek Philippe Annual Calendar Chronograph 5960/1A

PATEK PHILIPPE. A FINE STAINLESS STEEL AUTOMATIC ANNUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH DAY AND NIGHT INDICATION, POWER RESERVE, BRACELET, ORIGINAL CERTIFICATE AND BOX. SIGNED PATEK PHILIPPE, GENEVE, REF. 5960/1A, MOVEMENT NO. 5'807'503, CASE NO. 4'683'214, CIRCA 2015 Cal. 28-520 automatic movement stamped with the PP seal, 40 jewels, silvered dial, applied baton numerals, three apertures for day, date and month, engine-turned subsidiary dial for 30 minute and 12 hour register combined with day and night indicator, power reserve indicator, circular case, glazed display screw back, two round chronograph buttons in the band, stainless steel Patek Philippe bracelet and double deployant clasp, case, dial and movement signed 40 mm. diam.; overall length of bracelet approximately 205 mm. US$25,000-38,000