Roger Dubuis Quatuor Limited Edition 48mm

PRODUCT DESCRIPTION

Limited edition of 188 pieces.

Case:
Black DLC titanium case with sapphire crystal with anti-reflective coating.
Black DLC titanium open case back with sapphire crystal.
Diameter: 48 mm.
Water resistant to 30 meters.

Dial:
Openworked.

Movement:
Manual-winding.
Calibre RD101.
Power reserve of 40 hours.
113 jewels.
Frequency: 28.800 v.p.h.
Diameter: 37.40 mm.
The Gravity Compensation Concept is a feat created and developed by the highly-skilled watchmakers of Roger Dubuis.
It is a system enabling to compensate the gravity instantly.
3 patents were registered for this calibre: the geometric conception with 90° balances being the foundation of the Gravity Compensation Concept, non-resonating balances allowing for no disturbances between the functioning of each balance, the power reserve indicator conception allowing for less usage of space with a direct connection to the main barrel 5 differentials are necessary to average the run of each balance and connect them with the main gear train of the calibre.
The calibre is certified by the Poinçon de Genève, one of the most demanding certifications in the world of the Haute Horlogerie.

Bracelet:
Semi-mat charcoal black.
Black DLC stainless steel, double folding clasp.

Roger Dubuis