Montblanc - 118485

1858 Monopusher Chronograph Pocket Watch Titanium / Dumortierite

Case

Dial

Description

The Montblanc 1858 Monopusher Chronograph Pocket Watch reference 118485 is a limited edition of 100 pieces introduced in 2018 in celebration of the 160th anniversary of the Minerva manufacture. This pocket watch features a titanium case of 60mm and a blue mineral (dumortierite) dial. The hinged case back features a compass.

Movement

Montblanc caliber M16.24 is a hand-wound monopusher chronograph movement with 24-hour display. It measures 38.4mm at a height of 6.3mm.
The chronograph is controlled by a column wheel and features horizontal coupling.
It consists of a total of 252 parts including 22 jewels.
The power reserve is approximately 50 hours.
It features a screw balance with a diameter of 14.5mm and a movement of inertia of 59 mgcm2.
It beats at a frequency of 18,000 A/h (2.5 Hz) and has a hairspring with Phillips terminal curve.
The main plate is made of rhodium-coated German silver with circular graining on both sides and hand-chamfered edges.
The bridges are made of rhodium-coated German silver with ?¡ãC?tes de Geneve?¡À, circular graining on both sides and hand-chamfered edges.
The going train is gold-coated, circular grained, chamfered, and features diamond hubs on both sides

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