Montblanc 116243 1858 Monopusher Chronograph Tachymeter Bronze LIMITED UNWORN (28488)

28488 Montblanc 116243 1858 Monopusher Chronograph Tachymeter Bronze, limited to 100 pieces, titanium/bronze case on a strap with a bronze tang buckle, gold plated manual wind Minerva caliber MB M16.29 column-wheel chronograph movement, 30-minute chronograph, 50-hour power reserve, champagne dial with rose gold luminous hands and luminous Arabic numeral hour markers, black outer tachymeter scale, sapphire crystal, display back, diameter: 44mm, thickness: 13mm, Unworn with Original Box and Papers; which are undated.

$24,500

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More about Montblanc 116243 1858 Monopusher Chronograph Tachymeter Bronze LIMITED UNWORN

This is a titanium and bronze Montblanc 1858 Monopusher Chronograph Tachymeter 116243. It has an alligator leather strap with a bronze tang buckle, and a scratch resistant anti-reflective sapphire crystal. It has a gold plated onion-shaped pull out winding crown with a monopusher button, and an exhibition sapphire display bronze colored titanium case back secured with 6 screws, and engraved with "MONTBLANC – SWISS MADE – TITANIUM/BRONZE – 1858 – LIMITED EDITION OF 100," hallmarks and a serial number. The 44mm diameter solid three-body case, curved lugs, and flat angled fixed bezel, are satin brushed bronze. The dial is champagne with a sunray finish, luminous blue-rimmed Arabic numeral hour indices, around a black minute/one-fifth second scale with Arabic numerals every five seconds to 60. It includes "cathedral-shaped" rose-gold hands with cream SuperLuminova inserts, and a rose gold center sweep chronograph second hand with a crimson needle tip and a spade counter balance. There is a black railroad-style perimeter tachymeter chapter ring to 1000 UPH, and it has twin large champagne subsidiary dials with black railroad-style scales, Arabic numerals, and rose gold indicator hands. It's water resistant to 30 meters/100 feet, and it has a 50-hour power reserve at full winding. The 13mm thick case, dial, and movement are all signed.

This Montblanc 1858 Monopusher Chronograph Tachymeter 116243 has a mechanical manual winding caliber MB M16.29 Minerva column-wheel chronograph movement. The plate is red gold plated German silver with circular graining on both sides, and hand-chamfered edges. The bridges are also red gold plated silver with Cotes de Geneve embellishment. The going train has gold plated wheels with diamond hubs on both sides, polished pinions, and burnished pivots. It's constructed with 22 jewels, 252 components (many in rose gold), horizontal coupling, a "v" shaped chronograph bridge, an anti-shock device. It includes a balance spring with a Phillips curve, a monometallic screw balance, and the mechanism oscillates at a frequency of 18,000 vph (2.5 Hz).

The Montblanc 1858 Monopusher Chronograph Tachymeter 116243 was introduced in 2016 in a limited edition of 100 examples.