Montblanc Bohème Perpetual Calendar Jewellery

The Montblanc Bohème Perpetual Calendar Jewellery was first presented in August 2014 in Shanghai and so it was also part of Montblanc’s watches highlighted at SIHH in January 2015. It is the women’s version of the men’s perpetual calendar watch that caused a real surprise at SIHH in 2014, becoming the world’s most accessible perpetual calendar watch at about €10,000.

Montblanc Bohème Perpetual Calendar Jewellery – interactive summary

Dial design

The dial presents all calendar information on three subdials, month and leap year at 12 o’clock, day of the week at 9 o’clock, and date at 3 o’clock. Moon phases are shown on another subdial at 6 o’clock. In the men’s version, the characteristics of the movement forced the designers to group the subdials rather close together towards the centre of the dial, but in this version, the smaller diameter, 36 mm, produces a harmonious and very successful design, heightened by the red gold case and bezel, with 60 Top Wesselton diamonds. The crown has a single diamond in the Montblanc cut (similar to the star that appears in the logo). The subdials are set on a sunray guilloché area at the centre of the dial, while the minutes scale at the edge has filet sauté decoration, gold dots. Hour numerals are in an attractive Arabic design.




The Bohème Perpetual Calendar has a mechanical automatic movement, the calibre MB 29.15, visible through the sapphire window set into the gold caseback, has a 42-hour power reserve. Presumably it is, like the men’s version, a Sellita SW300 (based on the ETA 2892-A2), with a Dubois Depraz perpetual calendar module. If the watch is kept going, its calendar indications won’t need adjusting until 2100. Recessed pushers on the side of the case enable regulation in the case that the watch is not worn for a time.


Case and size

The case is 36 mm in diameter, and 10.05 mm thick, with a water resistance rated at 3 Bar (30 metres depth of water). It is mounted on a white alligator leather strap; other strap colours are available.


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