Seiko Cal. 3812 - 581

The Seiko 3812-581 represents an important milestone in Seiko's 1971 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-6102bb4dcb80]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1971

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