Immagine: 49,46 KBImmagine: 46,44 KBDonnées techniques Cal 1887
Total diameter: 29.300mm (13’’’)
Total height: 7.130mm
Frequency: 28’800 vibrations per hour
39 jewels
50 hours power reserve
40 hours when the chronograph is engaging
Hours, minutes
Small second at 9 0’clock
Date at 6 o’clock
Central chronograph second hand
Chronograph minutes at 12 o’clock
Chronograph hours at 6 o’clock
Mechanical features
Automatic rewinding chronograph movement
Double catch lever and rotor’s power transmission to the mainspring
Semi-instant date
Stop second (during setting the hour)
Chronograph function with colum wheel
Oscillating pinion with optimized chronograph start 2/1’000 sec.
Annular balance with 3 arms made of glucydur
«Top» quality swiss balance-spring with micro blazed finishing
«Raquetterie» with fine adjustment by eccentric screw
Average accuracy per 24h: +/- 4 sec