Description

Rose gold annual calendar chronograph combining Patek Philippe's patented 1996 complication with column-wheel precision

The Patek Philippe Annual Calendar Chronograph 5905R-010 represents a refined union of two of Geneva's most prestigious complications. The annual calendar mechanism, patented by Patek Philippe in 1996, requires just one manual adjustment annually at the conclusion of February, whilst the column-wheel chronograph delivers precise elapsed time measurement through traditional craftsmanship. Encased in 42mm of 18-carat rose gold, the watch commands attention with warm metallic tones whilst maintaining the elegance expected of the maison. The striking blue dial provides depth and character, arranging day, date, and month through three apertures at twelve o'clock, with a 60-minute chronograph counter at six and a day-night indicator providing additional functionality. Applied rose gold markers and dauphine hands complete a dial composition of considerable sophistication. The self-winding Calibre CH 28-520 QA 24H beats at 28,800 vibrations per hour across 37 jewels, with sapphire crystals protecting both dial and caseback to reveal the movement's expert finishing. Water resistant to 30 metres and secured by an alligator leather strap with matching rose gold deployant clasp.

Specifications

Key Features

• ✓42mm 18ct rose gold case
• ✓Annual calendar complication - one manual correction per year
• ✓Column-wheel chronograph with 60-minute counter
• ✓Self-winding Calibre CH 28-520 QA 24H
• ✓28,800 vph frequency with 37 jewels
• ✓Blue dial with day/night indicator
• ✓30 metres water resistance
• ✓Complete with original box and papers