Patek Philippe caliber

Patek Philippe 31

Sourced specifications: automatic winding and 48-hour power reserve. Watchfari lists 1 reference using the Patek Philippe 31. Every sourced case diameter here is 38 mm. Every sourced movement here is automatic. All sourced cases are stainless steel.

1 reference

Specifications

Value · source
Jewels
unknown
no source
Frequency (vph)
unknown
no source
Power reserve (hours)
48
Manufacturer 90% source
Winding
Automatic
Manufacturer 90% source
Complications
unknown

References using this movement

1–1 of 1 reference
Complications

Patek Philippe · Complications

Complications

Diameter
38 mm
Movement
Automatic

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