Patek Philippe Annual Calendar Ref: 5146G/010
Patek Philippe Annual Calendar Ref: 5146G/010. Mechanical self-winding 324 S IRM QA LU caliber movement. 39mm diameter white gold case, which is water resistant to 30 meters with sapphire crystal see through case back. Slate gray sunburst dial with white gold applied hour markers and numerals. Functions: Annual Calendar, this distinguishes months with 30 days (from those with 31) and automatically switching to the first of the following month at the end of “short” months. Manual date setting is required only once a year. Day and month by hands, date in an aperture, moon phases, power reserve indicator & center sweep second hand. Dark brown croc strap with white gold Patek Philippe logo fold over clasp. Box and papers dated July 2010.