Montblanc Calibre 13.18: Seconde au Centre Retour
Reference Guide

Montblanc Calibre 13.18: Seconde au Centre Retour

By penfriend · Oct 6, 2021 · 22 replies
penfriend
WPS member · Montblanc forum
22 replies4149 views6 photos
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Penfriend, a respected member of the WatchProSite community, offers an exclusive look at a truly unique and rare timepiece: the Montblanc Villeret Minerva Seconde au Centre Retour à Zéro. This article delves into the intricacies of its Calibre MB M13.18, highlighting its distinctive central second hand with a zero-reset function, a feature penfriend believes is unparalleled among Retour à Zéro watches. His detailed insights provide invaluable context for collectors interested in Montblanc's high-horology offerings.

Some fresh pics of this very rare Montblanc Villeret Minerva timepiece. I believe it is pretty unique because within the Retour a Zero watches it could be the only one with a central second hand doing this job. In fact we are talking about a chronograph center hands that is permanently running without minutes or hours subdials.

The calibre 13.18 was used 58 times in red gold cases with silver dials, 8 pieces in white gold with either black or silver dial and one piece in platinum with mother of pearl dial. My watch gains about 3 seconds a day so the retour a zero function can be used for time-taking pretty well.

Here are some more facts on this particular watch:

Model Seconde au Centre Retour à Zéro

Ident No. 104343

Movement:

Calibre: MB M13.18

Movement type: Manually wound retour à Zéro movement

Chronograph: -

Indications: Central hours - minutes and seconds - seconds hand with zero-reset function

Displays (Chronograph): -

Diameter: 29.50 mm

Height: 6.40 mm

Number of components: 196 components

Number of jewels: 21 jewels (hemispherical, cambered, olive-cut)

Power reserve: Approx. 55 hrs

Balance: Screw balance, Ø 11.40 mm; 26 mg.cm.

Frequency: 18,000 vibrations per hour (2.5 Hz)

Balance spring: With Phillips curve

Plate: Rhodium-plated German silver, circular-grained on both sides, hand-chamfered edges

Bridges: Rhodium-plated German silver, “Côtes de Genève”, recesses circular-grained on both sides, hand-chamfered edges

Going train: Wheels: gold-plated, circular-grained, chamfered, diamond hubs on both sides

Pinions: polished faces and toothing, burnished pivots

Case

Material: 18 K white gold

Bezel: -

Sapphire crystal: Cambered sapphire crystal

Case back: Screwed domed sapphire crystal case back, hinged cuvette with patented release mechanism

Crown: With Montblanc emblem in mother-of-pearl

Dial: Solid 18 K gold dial with hand-crafted silver-plated circular-grained decoration

Hands: 18 K gold, central second hand in Pfinodal ®

Horns: With patented cuvette release mechanism

Diameter: 41 mm

Height: 14.80 mm

Water resistant: 3 bar (30 m)

Strap

Material/Colour: Hand-stitched alligator-skin / Black

Clasp/Buckle: Pin buckle in 18 K white gold

Limitation: 8 pieces


















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CO
Cookies
Oct 6, 2021

Henri Matisse, drawn during the later years of this time in Paris. One version resides in Moscow, while Moma has another version called Dance (1). Nice MB too. This MB looks different and very highly technical.

PE
penfriend
Oct 6, 2021

totally different compared to the 16.29 at 47mm :-0

PE
penfriend
Oct 6, 2021

it is a black enameled snake

LA
Lankysudanese
Oct 6, 2021

Bedazzling; back and front. Thanks for sharing. Looks marvelous

PE
penfriend
Oct 6, 2021

but: no subdials compared to full fledged chronographs

CO
Cookies
Oct 6, 2021

To be having that book, tells u probably like art. What are your fav artists of all time? I like Henri Matisse most, and also Chagall, Frida Karlo, and Francis Bacon.

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