A. Lange & Sohne celebrated the 20th anniversary of their most iconic timepiece by unveiling a special 20 piece limited edition Lange 1. The Lange 1 Tourbillon Handwerkskunst, is distinguished by a platinum case measuring 38.5 by 10.2 mm, a black enamel dial, and a one-minute tourbillon aperture visible at the lower portion of the dial.

Technical details
Model: LANGE 1 TOURBILLON HANDWERKSKUNST
Ref. 704.048F

Movement
Lange manufactures calibre L961.3; manually wound, crafted to the most exacting Lange quality standards, decorated and assembled by hand; precision-adjusted in five positions; threequarter plate made of untreated German silver; steel tourbillon cock specular-polished on the dial side; intermediate wheel and crown-wheel cocks as well as tourbillon bridge on the movement side in German silver, engraved by hand
Movement parts: 378
Jewels: 51, including 2 diamond end stones
Screwed gold chatons: 7
Escapement: Lever escapement
Oscillator: Shock-resistant screw balance; balance spring manufactured in-house with a frequency of 21,600 semi-oscillations per hour
Power reserve: 72 hours when fully wound
Movement dimensions: Diameter: 30.6 millimetres; height: 5.9 millimetres

Functions
Time indicated in hours, minutes and subsidiary seconds; power-reserve indicator; Lange outsize date; one-minute tourbillon with patented stop seconds

Operating elements
Crown for winding the watch and setting the time; push piece for rapid correction of the outsize date

Case , dial and strap
Platinum case
Case dimensions: Diameter: 38.5 millimetres; height: 10.2 millimetres
Crystal and back: Sapphire crystal (Mohs hardness 9)
Dial: Black enamelled white-gold main dial; solid-silver subsidiary seconds dial
Hands: Rhodiumed gold
Strap: Hand-stitched crocodile strap, black
Clasp: Lange deployant buckle in platinum

We can assure that every Replica A.Lange & Sohne Lange 1 Tourbillon Handwerkskunst 704.048 F advertised on replicarelogio.co is more than 99% similar with the Authentic.And by the way, every replica watches here was perfect functions with high imitated Movement,If you need original Box,deep waterproof,or different strap,contact us.