Franck Muller skeletonized watch, identifiable by the prominent "FRANCK MULLER" inscription on the movement and its distinctive tonneau (barrel-shaped) case.
Franck Muller is a renowned luxury Swiss watchmaker known for its high-end timepieces and complex movements.
Skeletonized watches feature a transparent dial or case back that reveals the intricate inner workings of the watch movement, showcasing the gears, springs, and other components.
The design of Franck Muller watches often blends modern aesthetics with traditional Swiss watchmaking techniques.