Patek Philippe Annual Calendar Moonphase Box While winner of this contest

While winner of this contest changes depending on who you ask

this piece includes punched papers from Zurich Watch Co

Powered by the Perrelet Calibre P331MH movement with 42 hours of power reserve

the United Kingdom

it nevertheless represents a unique period in horological history

Patek Philippe Annual Calendar Moonphase Box While winner of this contestThe Annual Calendar is a complication invented by Patek Philippe. While it plays second fiddle 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. The 5035 was Patek's first Annual Calendar model launched in 1996, and set the bar for all that followed including those from competitors. This particular example,