Seiko Cal. 3860 - 984

This Spring Drive model from 1982 features a 41mm Stainless Steel case. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-403987f4743e]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1982

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