Doppel 3.1 | Monopusher | Split-Second Chronograph patek-philippe the perpetual calendar has been

the perpetual calendar has been an enduring presence within the Patek Philippe line-up

Vacheron Constantin used the mythical Jaeger-LeCoultre 920

Designed and made in the 1960s

minutes Features: eight-day power reserve  Case: brass Crystal: plexiglass Year: 1960s Condition

Doppel 3.1 | Monopusher | Split-Second Chronograph patek-philippe the perpetual calendar has beenThis Habring Doppel 3. 1 represents a great technological advancement from the original Doppel reference, featuring a monopusher, split second chronograph and the more unusual centre based minute counter. With a striking blue dial, this contemporary 42mm steel sports watch is as versatile as it is satisfying to operate. The Austrian Watchmaker Habring was founded by husband and wife duo Richard and Maria Habring, creators of relatively under the radar