Ref. 310.021 E
The A. Lange & Söhne Langematik Perpetual, reference 310.021 E, has a perpetual calendar and a 38.5 mm case in 18-carat yellow gold. The champagne-coloured dial carries an outsize date, weekday display, moon-phase display and day/night indicator. Case height is 10.2 mm, with a 20 mm lug width. The case has a see-through back and a 30 metre water-resistance rating. Self-winding calibre L922.1 offers a 46-hour power reserve at 21,600 semi-oscillations per hour. A yellow gold pin buckle closes the middle brown alligator leather strap. Made up of 478 parts, the movement incorporates a ZERO-RESET mechanism.
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TECHNICAL SPECIFICATIONS
CASE
Diameter
38.5mm
Thickness
10.2mm
Lug Width
20mm
Case Material
Yellow Gold
Water Resistance
30m
MOVEMENT
Movement Type
Automatic
Caliber
L922.1
Power Reserve
46h
Frequency
21,600 vph (3 Hz)
Jewels
43 jewels
DIAL
Dial Color
Champagne
BRACELET/STRAP
Bracelet/Strap
Alligator Skin
Clasp Type
Buckle
Clasp Material
Yellow Gold
FEATURES & COMPLICATIONS
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Other watches with the L922.1 calibre
A. Lange & Söhne
Langematik Perpetual
310.025 E
A. Lange & Söhne
Langematik Perpetual
310.026 E
A. Lange & Söhne
Langematik Perpetual
310.028 E
A. Lange & Söhne
Langematik Perpetual
310.032 E
A. Lange & Söhne
Langematik Perpetual
310.037 E
A. Lange & Söhne
Langematik Perpetual Honeygold
310.050 E
QUICK FACTS
BRAND
A. Lange & SöhneREFERENCE
310.021 ECOLLECTION
SaxoniaMOVEMENT
AutomaticCALIBER
L922.1CASE MATERIAL
Yellow GoldWATER RESISTANCE
30m (rain/splash)FOR WATCH DEALERS
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