Seiko Cal. 6337 - 231

Seiko 6337-231

The 6337-231 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6337 caliber with 22j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-76e9c643a809]

Also known as: Shogun, Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
11.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
40m
Dial Color
Cream
Jewels
22j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1984

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seikata-wm-76e9c643a809