A.Lange & Söhne 1815 Annual Calendar in 18k Rose Gold Box and Papers set ref. 238.032 ray-ban we find a display caseback

we find a display caseback offering a cool view of the hand-engraved and skeletonized automatic Caliber 2021/1 movement

The watch features two crowns – one for winding the movement and the other for rotating the inner 24-hour bezel

- Original sales booklet and certificate of origin

It could be unpolished

This is a very cool looking manual wind Oyster in the classic 34mm Osyter case

A.Lange & Söhne 1815 Annual Calendar in 18k Rose Gold Box and Papers set ref. 238.032 ray-ban we find a display casebackIntroduced in 1996 by Patek Philippe, the annual calendar complication has steadily gained popularity. It offers a simpler and more budget friendly option compared to its more complex counterpart, the perpetual. While it can distinguish between months with 30 and 31 days, it still needs to be corrected once a year, specifically at the end of February, as it doesnt account for the shorter month or leap years. At hand, we have a lovely example of this