Seiko Cal. 5237 - 431

The 5237-431 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5237 caliber with 19j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-a43ecb5aa906]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1980

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