A. Lange and Söhne 310.025

I always wanted a perpetual calendar. It is the function that made me wanted to collect watches. A perpetual calendar is like a mechanical computer and it fasci

As a good friend let me play with his watch for some days, I could fully enjoy this Langematik Perpetual, take some photos and put my thoughts in order... The L

has always been a Perpetual Calendar Chronograph. It is useful and is everything I need. However, I also like a pure Perpetual Calendar and a mechanical chronog

The information that matters the most on a daily basis is highly visible. They really did get this right the first time around.

Hoping someone can give me a hand. I am taking delivery of a Datograph Perpetual in the near future, but am unable to find instructions online regarding setting

Measuring 38.5 x 10.2 mm, the A. Lange & Söhne Saxonia Langematik Perpetual Calendar is powered by automatic Sax-O-Mat caliber L922.1 . Introduced in 2001 (in y