Seiko Cal. 4481 - 978

The Seiko 4481-978 represents an important milestone in Seiko's 1983 lineup. Powered by the 4481 caliber with 18j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-948cec10722f]

Also known as: Shogun, Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1983

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