Seiko Cal. 6397 - 500

Seiko 6397-500

The 6397-500 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6397 caliber with 34j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-ea11685b6345]

Also known as: Bullhead

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
44mm
Case Thickness
8.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Cream
Jewels
34j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1965

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