Seiko Cal. 6337 - 731

The Seiko 6337-731 represents an important milestone in Seiko's 1982 lineup. Powered by the 6337 caliber with 20j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-706e452a542a]

Also known as: Shogun, Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1982

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