Ref. 309.021
The A. Lange & Söhne Grand Langematik, reference 309.021, has a 40 mm case in 18-carat yellow gold. The champagne-coloured dial carries an outsize date. The case is 10.7 mm high, with a 20 mm lug width, see-through back and water-resistance rating of 30 metres. Self-winding calibre L921.4 runs at 21,600 semi-oscillations per hour with a 46-hour power reserve. The middle brown alligator leather strap uses a yellow gold pin buckle for fastening. The ZERO-RESET mechanism is incorporated in a movement assembled from 378 parts.
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TECHNICAL SPECIFICATIONS
CASE
Diameter
40mm
Thickness
10.7mm
Lug Width
20mm
Case Material
Yellow Gold
Water Resistance
30m
MOVEMENT
Movement Type
Automatic
Caliber
L921.4
Power Reserve
46h
Frequency
21,600 vph (3 Hz)
DIAL
Dial Color
Champagne
BRACELET/STRAP
Bracelet/Strap
Alligator Skin
Clasp Type
Buckle
Clasp Material
Yellow Gold
FEATURES & COMPLICATIONS
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QUICK FACTS
BRAND
A. Lange & SöhneREFERENCE
309.021COLLECTION
SaxoniaMOVEMENT
AutomaticCALIBER
L921.4CASE MATERIAL
Yellow GoldWATER RESISTANCE
30m (rain/splash)FOR WATCH DEALERS
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