OP XXXIV

hours, minutes, small seconds, date

One spring barrel, 171 parts,

OP XXXIV was renamed to P.900 in 2018, unclear if it was before an inhouse production or now (at Panerai or other Richmont entity like ValFleurier).

The basis is the Baume & Mercier BM12-1975A, that is used at Richmont also at other brands (e.g. IWC cal. 32110)

Label Value
ModelOP XXXIV
WindingAutomatic
BasisBaume & Mercier BM12-1975A
ProducerRichemont
Introduction2017
Dimension28,20 mm (12 1/2''')
Frequency28.800 vph (4 Hz)
Power Reserve72 h (3 days)
Jewels23
Height4,20 mm