The first movement resulting from the partnership between the Swiss manufacturer La Joux-Perret and the Besançon-based family business Humbert-Droz, the G100 is a new automatic three-hand caliber with date, boasting a generous 68-hour power reserve and a proven architecture.
This ultra-precise movement, equipped with 24 jewels and measuring 24.6 mm x 4.45 mm, develops a frequency of 4 Hz and 28,800 alternations.
Equipped with a Stop Seconds function, it is extremely precise, varying between -4 and +6 seconds per day, and offers a 68-hour power reserve, more commonly known as "Weekend proof," allowing the watch to run from Friday evening to Monday morning without being worn by its lucky owner.
March LA.B positions itself as a pioneer of "responsible watchmaking" with the desire to bring together skills and unite forces for a movement 100% machined in Switzerland and 100% assembled in France.
The MANSART dial is octagonal, just like the case. It is deliberately simplified and assembled with fine, elegant indexes or, optionally, with vertical guilloché.
The steel date window at 3 o'clock shows numbers with a retro font in white on a black background, and in green every 3rd of the month.
The M logo is a finely cut appliqué.
The hands are slender to allow the whole piece to breathe.
All March LA.B watch cases meet meticulously adhered construction standards. Invariably finished with a brushed texture, they capture ambient light to bring your watch to life.
The 10.2 mm thick, 34 mm octagonal case of the MANSART is a true architectural construction.
A stack of angular layers in which is integrated at 4 o'clock an octagonal guilloché crown that corresponds to the shape of the case.
The bracelet is integrated into a lugless case for a more elegant, monolithic look.
The anti-reflective treated sapphire glass, virtually scratch-proof, is slightly flush to maintain a sophisticated unity.



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