Glashütte, April 2008
Less Is More: the GRAND LANGE 1 with a New Face
Data sheet GRAND LANGE 1
Movement: Lange manufacture calibre L901.2, manually wound,crafted to the highest Lange quality standards and
largely assembled and decorated by hand; precisionadjusted in five positions; twin mainspring barrel; plates and bridges made of untreated German silver; balance cock engraved by hand
Number of parts: 365
Jewels: 53
Screwed gold chatons: 9
Escapement: Lever escapement
Balance: Shock-resistant glucydur screw balance, Nivarox balance spring, frequency 21,600 semi-oscillations per
hour, whiplash precision index adjuster with patented beat adjustment mechanism
Power reserve: More than 72 hours when fully wound
Functions: Time indicated in hours, minutes, small seconds with stop seconds, patented outsize date, power-reserve
indicator
Operating elements: Crown for winding the watch and setting the time, date correction push-piece
Case: Diameter 41.9 mm, yellow gold, pink gold or platinum
Glass and caseback: Sapphire crystal (hardness 9)
Dial: Solid silver, champagne, argenté or rhodié; appliques in gold
Hands: Gold or rhodiumed gold
Strap: Supple crocodile strap and Lange prong buckle in solid gold or platinum