Seiko Cal. 3820 - 612

The Seiko 3820-612 represents an important milestone in Seiko's 1976 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-fa67b822211f]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1976

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