310.021

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 yellow gold and platinum), it was discontinued in 2024 . It was the first mechanical wristwatch

The single-push corrector first appeared in Lange's first perpetual, the Langematik Perpetual, which was introduced in 2001 in platinum (310.025) and yellow gold (310.021). But it was practically a secret. Lange didn't advertise or promote this wonderful