Opera One sapphire dial
Technical specifications
White gold case
Diameter: 40 mm
Antireflective sapphire crystal
Sapphire case-back
Water resistance: 30 metres
Girard-Perregaux movement GP9899
Mechanical with manual winding
Calibre: 27.6 mm
Frequency: 21,600 vibrations/hour (3 Hz)
Jewels: 37
Power reserve: min. 75 hours
Functions: Tourbillon, hour, minute, small second on the Tourbillon, minute repeater with Westminster chime
Alligator strap with folding buckle
Immagine: 51,59 KB