H. Moser & Cie. Endeavour Perpetual Calendar Black Golden Edition

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In a very rare combination, exemplary of traditional watchmaking craftsmanship with a fresh new approach, H. Moser & Cie. introduces the Endeavour Perpetual Calendar Black Golden Edition in a series limited to only 10 pieces.

The HMC 341 manufacture calibre housed within this watch is a sophisticated execution of the ingenious perpetual calendar movement (winner of the Grand Prix de Genève for a complicated watch), with solid gold plates and bridges, hand-engraving and a Moser escapement with the Straumann Double Hairspring®.

Building on the exceptional qualities of the Perpetual Calendar, this unconventional watch combines a strong, scratch resistant material for the case to house a special H. Moser movement. Set with solid gold plates and bridges, this movement houses a Moser escapement with the Straumann Double Hairspring® and two functional diamond end-stones, chosen for the clear colour they lend to the final design.

Double barrels set below two screwed golden chatons enable a minimum 7-day power reserve, indicated by the display on the dial at 9 o’clock. The colours of the gold fumé dial with a sunburst pattern flow from a warm gold to shaded fumé tones that blend into the dark polished titanium case.

Punctuated by the Perpetual Flash Calendar at 3 o’clock, the dial has a noticeably large date window with golden numerals. This calendar may be adjusted forward and backward, at any time – an exceptional ability for a perpetual calendar – making it very easy to use. To set the perfect finish, a limited-edition elegant Macassar wooden box accompanies this masterpiece that is available from July 2014.

Technical details
Model: Endeavour Perpetual Calendar Black Golden Edition 
Reference 1341-0501, titanium model, gold fumé dial
Limited Edition of 10 pieces

Case
DLC-treated solid titanium, three-part case
Diameter 40.8 mm, Height 11.1 mm
Sapphire crystal with internal anti-reflective coating
Curved crystal case-back

Dial
Solid 18-carat gold, hand-crafted fumé dial with sunburst pattern
Solid 18-carat gold appliqué indexes and hands
Month indicated with a small arrow-shaped centre hand
Sub-dial for seconds
Big date display at 3 o’clock with centred numerals

Movement
Mechanical hand-wound in-house calibre HMC 341
Diameter 34.0 mm or 15 lignes, height 5.8 mm
Frequency 18’000 alternances per hour
28 jewels and screwed gold mounts
Power reserve: minimum 7 days with double barrel
Solid 18-carat gold plate and bridges with matte finish, hand chamfering and hand-engraved hallmark
True bevel wheels and Moser tooth system for all wheels and pinions
Interchangeable Moser escapement
Original Straumann Double Hairspring®
2 genuine, functional diamond end-stones in the incabloc shock-absorber
Traditional screw balance wheel with white gold weight screws
Pallet fork and escapement wheel made of solid gold

Functions
Perpetual Flash Calendar
Centre-hand month indicator, 12 hour indexes = 12 months
Hour and minute
Off-centre seconds dial with hacking seconds function at 6 o’clock
Power reserve indicator at 9 o’clock
Leap year indicator and adjustment pusher
Double Pull Crown System

Strap
Hand-sewn carbon-coated matte black alligator leather strap
Solid 18-carat rose gold folding clasp with Moser logo