Ref. 309.025
The A. Lange & Söhne Grand Langematik, reference 309.025, has a 40 mm case in 950 platinum. The grey dial carries an outsize date. Case height is 10.7 mm, with a see-through back and a water-resistance rating of 30 metres. A black alligator leather strap closes with a platinum pin buckle. Self-winding calibre L921.4 beats at 21,600 semi-oscillations per hour and offers a 46-hour power reserve. The movement comprises 378 parts and incorporates ZERO-RESET.
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TECHNICAL SPECIFICATIONS
CASE
Diameter
40mm
Thickness
10.7mm
Case Material
Platinum
Water Resistance
30m
MOVEMENT
Movement Type
Automatic
Caliber
L921.4
Power Reserve
46h
Frequency
21,600 vph (3 Hz)
DIAL
Dial Color
Grey
BRACELET/STRAP
Bracelet/Strap
Alligator Skin
Clasp Type
Buckle
Clasp Material
Platinum
FEATURES & COMPLICATIONS
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Other watches with the L921.4 calibre
A. Lange & Söhne
Langematik
308.021
A. Lange & Söhne
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308.025
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QUICK FACTS
BRAND
A. Lange & SöhneREFERENCE
309.025COLLECTION
SaxoniaMOVEMENT
AutomaticCALIBER
L921.4CASE MATERIAL
PlatinumWATER RESISTANCE
30m (rain/splash)FOR WATCH DEALERS
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