Seiko Cal. 3820 - 919

The Seiko 3820-919 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-faab86fc4495]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1972

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