Seiko Cal. 3866 - 981

This Spring Drive model from 1973 features a 35mm Titanium case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-8d06c1337627]

Also known as: Rally, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1973

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