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A Lange & Sohne Datograph Perpetual Mens Watch 410.025E Collection

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Nov 5, 2008, 11:00:34 PM11/5/08

A Lange & Sohne Datograph Perpetual Mens Watch 410.025E Collection

Watches Collection Site : http://www.watches-collection.com/
A Lange & Sohne Datograph Perpetual Mens Watch 410.025E View Full :
http://a-lange-sohne.watches-collection.com/A-Lange-Sohne-Datograph-Perpetual-Mens-Watch-410025E.html

A Lange & Sohne Datograph Perpetual Mens Watch 410.025E
AdditionalInfo :

Brand : A Lange & Sohne ( http://a-lange-sohne.watches-collection.com/
)
Gender : Mens
Code : 410.025E
Also Called : $ 410.025E
Movement : Manual Winding COSC
Bezel : Fixed
Case Material : Platinum
Case Diameter : 13.5 mm
Dial Color : Silver
Crystal : Sapphire - Anti-reflective
Clasp : Leather - Black Crocodile with 7 perforations.
Water Resistant :

Plates and bridges are made of untreated German silver decorated with
perlage and Glashutte ribbing. The plates, bridges, whiplash spring
and classic column wheel are chamfered and polished. The balance cock
is hand-engraved. The large two-digit date apperture is at 12. The day
of the week subdial is at 8, with the small day/night indicator dial
just above it. The moon-phase display is at 6 o'clock. The month
subdial is at 4 o'clock, with the small leap-year dial just below
it. This remarkable timepiece is the first to incorporate a
perpetual calendar with a chronograph. The calendar is accurate until
the year 2100, when, because the year 2100 is not a leap year (it is a
century year that is not divizable by 400), the calendar will require
a manual advance of 1 day. The moon-phase is itself an incredibly
precise movement, accurate for 122 years, after which, it too will
require a one day adjustment. An ingenious interlock device prevents
accidental date resetting on the Datograph Perpetual. After pulling
out the crown and disengaging the interlock, the perpetual calendar
can be purposefully reset. The calendar mechanism alone accounts for
223 parts. A total of 556 individually assembled and adjusted
parts constitute this superb watch. The watch is equipped with a
stopwork (preventing overwinding and uncoiling) that ensures accurate
torque delivery. The balance is by glucydur with eccentric poising
weights, and a Lange balance spring. The watch is packaged in a
gorgeous Black embossed box (with Lange Sohne bezel design). Included
in the inner box is the Lange booklet wallet in a smooth Navy Blue
finish. The Datograph Perpetual instruction manual in 9 languages is
secured on the left. The 'History of your watch' booklet is secured on
the right - it contains the guarantee seal (with Model, Case and
Movement numbers), generational ownership record, service logs and
official agents leaflet. The outer box is the functional and
simple Lange gray textured-finish box, that keeps the inner box secure
from the elements. A. Lange & Sohne have done it again in
magnificent style. This truly awe-inspiring example of watchmaking
acumen is only available in Platinum in extremely limited
quantities. ORIGINAL A LANGE UND SOHNE INTERNATIONAL
WARRANTY

The A Lange & Sohne Watches Collection Series :

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