A. Lange & Sohne Grand Lange 1 Moon Phase

This watch is fully focused on its eponymous complication. The position of the moon-phase display in the hour and minute circle allows the large-format depiction of the moon and the starry sky. The model version in yellow gold features an ivory argente-coloured dial crafted from solid silver.
Case dimension
Case diameter: 41 mm
Case thickness: 9.5 mm
Winding mechanism
Manually wound movement
Power reserve
72 hours
Complications
Outsize date, Moon-phase display, Power-reserve indicator
Reference
139.021 / LSLS1391AA
Case material
18-carat yellow gold
Case back: sapphire glass
Case dimension
Case diameter: 41 mm
Case thickness: 9.5 mm
Water resistance
3 bar
Movement designation
L095.3
Number of movement parts
463
Winding mechanism
Manually wound movement
Power reserve
72 hours
Balance frequency
21,600 semi-oscillations per hour (3.0 Hz)
Complications
Outsize date, Moon-phase display, 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