A. Lange & Sohne Lange 1

It is the classic in the Lange collection. With its inimitable dial design and its outsize date, the LANGE 1 inspired the entire watch industry with fresh impetus. The model version in yellow gold features an ivory argente-coloured dial crafted from solid silver.
Case dimension
Case diameter: 38.5 mm
Case thickness: 9.8 mm
Winding mechanism
Manually wound movement
Power reserve
72 hours
Complications
Outsize date, Power-reserve indicator
Reference
191.021 / LSLS1911AA
Case material
18-carat yellow gold
Case back: sapphire glass
Case dimension
Case diameter: 38.5 mm
Case thickness: 9.8 mm
Water resistance
3 bar
Movement designation
L121.1
Number of movement parts
368
Winding mechanism
Manually wound movement
Power reserve
72 hours
Balance frequency
21,600 semi-oscillations per hour (3.0 Hz)
Complications
Outsize date, Power-reserve indicator
Leather Strap
Middle Brown, Alligator leather
Our alligator straps fully comply with the CITES regulations: Species – alligator mississippiensis. Extraction method – farmed. CITES Appendix – Appendix II
Prong buckle
18-carat yellow gold