Tourbillon Perpetual Calendar | 720.025F | Platinum chronometre-souverain the raised arced plaque with

the raised arced plaque with the brand mark also features polished bevels

guilloché dial Case: Yellow Gold Crystal: Sapphire Strap: Zürich taupe grained leather strap

3796 is in good condition

demonstrating both the watchmaker’s skill and a growing public fascination with how watches work

Tourbillon Perpetual Calendar | 720.025F | Platinum chronometre-souverain the raised arced plaque withThis Tourbillon Perpetual Calendar* is a highly complicated time piece that marked the introduction of a tourbillon with an automatic movement into the A. Lange & Shne catalogue, and their first use of the instant jump calendar indication. Only 100 pieces were made in platinum. The watch marks a fascinating point in the history of modern Lange watches. This Tourbillon Perpetual Calendar reference 720. 025F was launched in 2012, introducing a number of