Seiko Cal. 5237 - 367

The 5237-367 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5237 caliber with 26j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-df6228f2fd84]

Also known as: Bullhead, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1991

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