Seiko Cal. 6397 - 614

Seiko 6397-614

The 6397-614 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6397 caliber with 25j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-d9d54eda52b0]

Also known as: Bullhead

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
15.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Silver
Jewels
25j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1979

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