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Montblanc Nicolas Rieussec Chronograph Silicon Escapement
Montblanc Manufacture Calibre MB R120
Movement type
Hand-wound movement, chronograph
Chronograph Monopusher with column wheel control and vertical disc clutch,
twin barrels, stop balance wheel
No. of jewels 31
Power reserve 72 hours
Balance Screw balance, ? 9.7mm, moment of inertia = 12 mg cm2
Frequency 28,800 bph (4 Hz)
Balance-spring Flat
Escapement Lever and escape-wheel made of monocrystalline silicon
Plate Rhodium-plated, circularly grained
Bridges Rhodium-plated, Geneva stripes
Going-train Special toothing for more efficient power transmission
Displays
- Hours and minutes on off-center dial
- Date shown via rotating disc and motionless hand
- Power-reserve display on the back of the watch
Chronograph
Chronograph tallies 60 elapsed seconds and 30 elapsed minutes on rotating
discs with motionless hands
Special feature Travel function with fast forward and backward resetting of the hour-hand
and the date display
Features
Case 18 K red gold (5N), Domed sapphire crystal, antireflective on both its surfaces
Screwed transparent back made of sapphire crystal
Water-Resistance
to 3 bar (30 m)
Dimensions ? 43 mm; Height = 14.8 mm
Crown 18 K red gold (5N) with inlaid mother-of-pearl Montblanc emblem
Pusher Monopusher at 8 o`clock
Dial Silver-coloured dial with black Arabic numerals
"Clou de Paris" pattern between 4 and 8 o'clock
Hands Blued stainless steel
Strap Brown alligator-leather with double-folding clasp made of 18 K
red gold
Limited Edition 25 pieces
