Extremly fine & rare Chronograph Perpetual Calendar in white Gold .
Caliber CH 27-70 Q
Thickness 7.20 [mm]
Movement diameter 30.00 [mm]
Case diameter 40.00 [mm]
Number of jewels 24
Power reserve min 50 max 60 hours
Balance type Gyromax
Vibrations / hour 18000 [Hz]
Distinctive sign Geneva Seal

Manual winding movement with chronograph,
perpetual calendar and moon phases,
day, date, month and leap year,
a.m./p.m. indication.
Water resistant to 25m.
Interchangeable sapphire crystal back.
Fold-over clasp.
Watch is full set original box and papers -
Très rare Chronographe en or gris .
Boitier en or blanc 40 mm
Mouvement mécanique à remontage manuel
Quantième perpétuel , phases de lune , années bissextiles & chronograph .
Calibre CH 27-70 Q , 24 rubis .
Réserve de marche 50/60 heures
Balancier type gyromax
18000 alternances heure
Poinçon de Genève
Ecrin & certificats d'origine