The GC3.0 Chronograph in steel represents another significant evolution of the Maisons signature Maestro model. Following its premiere in 18k rose gold, it is now available in steel for the first time. Featuring a new hand-finished manufacture chronograph calibre, the new GC3.0 in steel weights 110gr.

Movement
Caliber GCA 3022/12
Diameter: 28.00 mm
Height: 6.07 mm
Number of components: 351
Number of jewels: 46
Power reserve: 50 hours
Winding rotor: bi-directional rotating rotor with ceramic ball bearing
Balance: Gyromax
Frequency: 28,800 semi-oscillations/hour (4 Hz)

Specifications
Reference: GC3.0-A-02
Movement: GCA3022/12 Manufacture
Caliber: Automatic Chronograph
Functions: Hours, minutes and central seconds, chronograph with counters at 3, 6 and 9
Water resistance: 10ATM/100M

Finishing
Circular-grained plate on dial side
Cote de Gneve decorated bridges
Date bridge and motion-work bridge rhodium-plated and circular-grained, dial side
Bevels, counterbores and apertures diamond-polished
Ceramic ball bearing
Pivots and flanges rolled
Wheels circular-grained on 2 faces
Flat-head screws, locked
ANTI-SHOCK SYSTEM: INCABLOC Stop-second system

Watch Head
Case size of 39x41mm
Asymmetric polygon with smooth edges (Maestro original design by Mr. Gerald Charles Genta)
Stainless steel case body and bezel
Stainless steel crown with embossed logo
Sapphire crystals no glare
Emerald green sunburst dial, hands and indexes filled with Super-LumiNova