Perrelet caliber P-391

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Brand:Perrelet
Reference:P-391
Base: Perrelet P-321
Movement:Automatic
Display:Analog
Diameter:26.20
Jewels:25
Reserve:42
Frequency:28800
Hands:Hours, Minutes, Seconds
Perrelet caliber P-391

P-391 description

In-house Perrelet caliber with 'Open Heart' - balance wheel visible through the front.