Ultrafino Flying Tourbillon Skeleton Sapphire 40mm Chronograph but the all-gold

but the all-gold

measuring 40

and has earned the nickname “Tiger Iron” from collectors thanks to its dramatic blend of rich brown and black on the Cerachrom bezel—a visual echo of the semi-precious stone famed for its layered

the 40mm case is paired with a sophisticated black Cerachrom bezel

while the signature date window at 3 o’clock is magnified by the Cyclops lens for enhanced legibility

Ultrafino Flying Tourbillon Skeleton Sapphire 40mm Chronograph but the all-goldThe UltraFino Sapphire defies convention with its 9. 8 mm thin case. The sapphires hardness and scratch resistance are complemented by a white rubber joint that ensures an exceptional 5 ATM water resistance, a rare feat for a sapphire watch. Machining a curved tonneau case in sapphire is among the most demanding challenges in watchmaking. The crystal must be shaped with micron level precision, and the 1. 2 mm curvature adds complexity that makes