A. Lange & Söhne Grand Lange 1

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Grand Lange 1, Ref. 115.022
Grand Lange 1, Ref. 115.021
Calibre L901.2
Grand Lange 1 (back)
Grand Lange 1 (platinum), Ref. 115.025
Grand Lange 1 (platinum), Ref. 115.029
Grand Lange 1, Ref. 115.031

The Grand Lange 1 is a luxury watch by A. Lange & Söhne.

For lovers of larger watches, this model is a variant of the Lange 1 in a case with 41.9 mm diameter.

With the UP and DOWN display the winding state of the double barrel can be determined. Fully wound it features a power reserve of three days. Depending on the chosen model the hands are in gold or in blued steel.

Since 2008, there has been a new series of the Grand Lange 1 with a revised dial.

Reference:

115.021 (yellow gold), 115.025 (platinum), 115.029 (platinum, schw. ZB), 115.031 (red gold, schw. ZB), 115.321 (yellow gold, gold bracelet)
(since 2008): 115.022 (yellow gold), 115.032 (red gold), 115.026 (platinum)

Movement:

Manual winding manufacture movement L901.2, 21,600 A/h
53 jewels, including 9 in screwed gold chatons
Three-quarter plate in untreated German silver, with Glashütte Stripes decorated
Glucydur screwed balance with Nivarox-1 hairspring
Hand-engraved balance cock with swan-neck precision regulator
Edges chamfered and polished
Double barrel
Power reserve 3 days

Case:

Yellow gold / red gold 18ct, platinum
Ø 41.9 mm, height 11 mm
Sapphire crystal
Screwed down caseback with six screws and with sapphire crystal
Waterproof to 5 bar (50 m)

Dial:

Solid silver, guilloché, applied indexes, Roman numerals
Lancet hands in gold or blued steel

Functions:

Hours, minutes, seconds
Big date
Hacking seconds
Power reserve

Bracelet:

Hand-sewn crocodile leather with tang-type buckle in gold or platinum
Optional: High-quality stainless steel bracelet