Seiko Cal. 6397 - 187

Seiko 6397-187

The 6397-187 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6397 caliber with 22j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-54484a8f61e9]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
38mm
Case Thickness
12.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
160m
Dial Color
Champagne
Jewels
22j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1985

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seikata-wm-54484a8f61e9