Opus Chronograph Blue
Around for a quarter-century, the Opus architecture has been thoroughly updated. Its new geometry combines a 41-millimetre diameter with shorter lugs hugging the wrist more comfortably.
Number of parts
Screw-down case back with satin finish and sapphire crystal
Partly polished, partly with satin finish
Polished screw-down bezel with side knurling and full thread. Curved, non-reflecting sapphire crystal.
Caliber C. 741 S, automatic, skeletonized
4 Hz ( 28800 A/h )
Approx. 46 h
Number of jewels
Skeletonized and CVD-plated blue rotor with Côtes de Genève, ball bearing; polished pallet lever, escape wheel and screws; bridges and base plate with perlage
Skeletonized and rhodium-plated blue rotor with Côtes de Genève and ball bearing
Skeletonized, galvanic blue and silver
Central hours and minutes, small seconds, central chronograph seconds, 30-minute counter, 12-hour counter, analog date
Design of hands
Lacquered and curved; minute hand bent by hand
Shape of hands
10 bar( 100m )
WHY WE LOVE IT
The mechanical clarity of the Opus Chronograph is achieved by carefully paring away all superfluous material, leaving nothing but a filigreed skeleton. The dial may be scarcely there after the careful and ingenious skeletonising process – but nevertheless the blue and silver subdial perimeters make a great impression.