Seiko Cal. 3820 - 133

The Seiko 3820-133 represents an important milestone in Seiko's 1979 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-187a4aed1978]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1979

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