Model
Case:
Case Material
Yellow gold
Case Glass
Sapphire
Case Back
Open
Case Diameter
38.50 mm
Case Height
10.20 mm
Case Lug Width
20.00 mm
Dial:
Dial Color
Champagne
Dial Indexes
Roman Numerals
Dial Hands
Alpha
Movement:
Automatic movement with perpetual calendar; the perpetual calendar mechanism is mounted on the dial side of the calibre. It also includes a solid-gold lunar disc. It is pictured from the dial side.
Type
Automatic
Brand
A. Lange & Söhne
Caliber
L922.1
Display
Analog
Diameter
30.40 mm
Jewels
43
Reserve
46 h
Frequency
21600 bph
Time
Additional 24 Hour Hand (fixed), Hours, Minutes, Small Seconds
Date
Big Date, Day, Month, Perpetual Calendar, Leap Year
Astronomical
Moonphase
Price: $ 239
The ref. 310.221 Langematik Perpetual Calendar was available from 2001 to 2007. It features both a yellow gold case as well as bracelet.
  • A. Lange & Sohne Langematik Perpetual Yellow Gold Bracelet (310.221) Watch Replica