Patek Philippe Annual Calendar Moonphase Factory Certified Pre-Owned badass bronze chronograph

badass bronze chronograph

but without being dated

From the dawn of the 20th century onward

a grey California dial with luminous indices

Reference 581

Patek Philippe Annual Calendar Moonphase Factory Certified Pre-Owned badass bronze chronographThe annual calendar is a complication invented by Patek Philippe. While it plays second string to the perpetual calendar in the minds of most collectors, the reality is that the construction of the calendar mechanism is equally challenging and, in some cases, requires even more components. 1996's Ref. 5035 was Patek's first annual calendar model and set the bar for all that followed including those from competitors. This particular annual calendar, a