A. Lange & Söhne Lange 1 Time Zone 18K Rose Gold

$28,900.00 USD

Manufacturer: A. Lange & Söhne
Model: Lange 1 Time Zone 
Reference Number: 116.021
Movement:  Manual winding 
Condition:  Very good
Gender: Men’s/unisex
Time Period: 2005 - 2010's
Retail / Compare-At Price: $50,400
Our Best Price: $28,900

Movement: -
Caliber: L031.1
Jewels: 54

Case Material:  18K rose gold
Case Diameter: 41.9 mm 
Thickness: 10.9 mm 
Waterproof: 100 ft. / 30 m.
Water Resistance: 3 ATM
Material Bezel: Fixed 18K rose gold 
Glass:  Sapphire crystal
Dial: Matte silver
Dial Numerals: 18K rose gold applied Roman numerals & diamond-shaped hour indices, black painted outer GMT revolving city ring on the outside perimeter with the names of 24 cities

Bracelet color: Black
Bracelet Material: Leather 
Clasp: Ardillon buckle
Clasp material: 18K rose gold signed Lange

World Time Zone, offset main dial featuring the "Local Time" which includes a night/day hand at 12 o'clock and a small seconds sub dial at 6 o'clock, a large double-digit date aperture window is at 2 o'clock, world time sub-dial located at 5 o'clock with an additional AM/PM indicator, hours, minutes, 72-hour power reserve

The round shape solid three-body case, rounded bezel, and angled straight lugs are polished.
18K rose gold  alpha-shaped hands for all the indicators 
Double windows for date with a rose gold frame
18K rose gold fluted push/pull crown with A. Lange & Sohne engraving
Sapphire crystal display case back secured with six screws
Up-down arched 72-hour power reserve indicator between 2 and 4 o'clock
This A. Lange & Sohne Lange 1 Time Zone 116.021 has a mechanical handwound caliber L 031.1 movement made from Glashütte 3/4 plate in German silver. It is constructed with 54 jewels, 4 in screw mounted gold chatons, and a shock absorber mechanism. It has a straight-line lever escapement, a monometallic balance adjusted to heat, cold, and 5 positions, and a self-compensating flat balance spring. There is a swan-neck micrometer regulator, a hand-engraved balance and intermediate wheel bridges, a whiplash precision index adjuster with patented beat-adjustment mechanism, and a stop-seconds mechanism.
The case, dial, and movement are all signed.

This mechanism has a Nivarox balance spring with a frequency of 21,600 vph (3 Hz).
Incomplete (no box, no papers)