Seiko Cal. 6398 - 981

This Hand-Winding model from 1981 features a 45mm Stainless Steel case. Powered by the 6398 caliber with 33j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-5d3d22b27350]

Also known as: UFO, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1981

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