Patek Philippe Annual Calendar 5905/1A-001

Patek Philippe Annual Calendar with Flyback Chronograph 5905/1A-00. Stainless steel 42 mm case, water-resistant to 30m. Self-winding caliber CH 28-520 QA 24H movement visible through the sapphire crystal case-back. 45 hour power reserve, 37 Jewels, 4Hz frequency, 402 parts.

Olive-green sunburst dial with white-gold applied hour markers and hands. Flyback Chronograph with central chronograph hand which can also be used as a permanent (running) seconds display and 60-minute counter with day/night indication at 6 o’clock. Annual Calendar with day, date and month displayed in apertures between 10 o’clock and 2 o’clock and which automatically takes into account 30- and 31-day months. Only one correction per year is required, on March 1st. Integrated stainless steel bracelet with contrasting polished and satin finishes; quick-release folding clasp with embossed Patek Calatrava Cross logo.

Available for the first time in stainless steel, this is one of Patek Philippe’s iconic sporting complications and is RARE. With olive-green sunburst dial, this lovely timepiece with additional annual calendar and fly back chronograph is very special indeed. Patek Warranty until November 2023.

Complete with its Outer Box, Inner Wooden presentation box and Patek Philippe gold setting-stylus for adjusting annual calendar functions. With full documentation contained in a pristine Patek leather wallet dated December 2021.