Seiko Cal. 5231 - 239

Seiko 5231-239

The 5231-239 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5231 caliber with 31j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-cb5c9572b583]

Also known as: Samurai

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
43mm
Case Thickness
8.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
40m
Dial Color
Navy
Jewels
31j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1976

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seikata-wm-cb5c9572b583