Patek Philippe Annual Calendar Flyback Chronograph Accessory unidirectional rotating dive bezel with

unidirectional rotating dive bezel with a fully graduated minute scale

but still resonate with collectors today

it’s almost identical in looks to the Reference 6105 beloved by collectors and featured on the wrist of Martin Sheen in Apocalypse Now

Martel began to specialize in chronograph movements

Patek Philippe Annual Calendar Flyback Chronograph Accessory unidirectional rotating dive bezel withThe 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 this calendar mechanism is by no means a simple feat, and requires impressive micro engineering and design acumen to execute well. Able to account for months of different lengths, it only requires manual adjustment once per year at the end of February. However,