New Maurice Lacroix uses mysterious seconds indicator.

maurice lacroix masterpiece Seconde Mysterieuse
Maurice Lacroix Masterpiece Seconde Mysterieuse

Maurice Lacroix  will unveil its new Masterpiece Seconde Mystérieuse at Baselworld 2013 and it is reminiscent of  another famous model of the line: the Masterpiece Roue Carree.  Introduced at Baselworld 2011 the Roue Carree Seconde timepiece was the first in the world to use a square cog for the seconds display. This was made possible thanks to a collaboration with watchmaker and micro engineer Michel Vermot.

maurice lacroix masterpiece Seconde Mysterieuse close up
Seconds dial closeup

Like its predecessor, the Seconde Mystérieuse concentrates again on providing an unusual reading of the seconds. This time, the Calibre Maurice Lacroix shows a reading of the seconds in linear, which alternates every 15 seconds its movement from vertical to horizontal.  In addition, turning on its axis it creates the illusion of being suspended adding the “Mystérieuse ” element.

maurice lacroix masterpiece Seconde Mysterieuse in Black
Black PVD version

Hours and minutes, for the reasons described are obviously not “center stage” and are located at 2 o’clock surrounded by a dial cutaway to reveal rhodium plated bridges and creating a contemporary geometric design motif. It uses the twelfth movement to be developed by the brand: the ML215 caliber.

maurice lacroix masterpiece Seconde Mysterieuse in Black closeup
PVD version seconds dial closeup

This Masterpiece will be built in a limited edition of 125 pieces, available in either steel or black PVD steel cases (both pictured).




Mechanical automatic, ML215 calibre, 48 jewels, 18,000 vib/h, 50-hour power reserve, rhodium or ruthenium plating, sanded finish, “Côtes de Genève” motif on the rotor


Hours, minutes and seconds


Stainless steel or steel with black PVD coating, satin and polished finish, 43 mm
Cambered sapphire crystal with anti-reflective coating on both sides
Water-resistant to 50 m (5 ATM/5 bar)


Offset hours and minutes, white lacquer, rhodium-plated Arabic numerals
Seconds display on a white background with black and grey printed minute scale under a flat sapphire crystal with anti-reflective coating on both sides


Brown or black crocodile, lined with brown or black calfskin with coordinated top-stitching

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