Seiko Cal. 6337 - 781

This Kinetic model from 1981 features a 42mm Gold-Plated case. Powered by the 6337 caliber with 27j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-7f409eaae546]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1981

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