Strap and bracelet options for the A. Lange & Söhne Lange 1 Perpetual Calendar, previewed on the brand’s own photograph of this watch. The brown calf preview is free for everyone; the remaining 21 are part of the studio unlock.
Full specifications for the A. Lange & Söhne Lange 1 Perpetual Calendar
A. Lange & Söhne · Lange 1
Ref. 345.033