Seiko Cal. 3890 - 270

This Spring Drive model from 1979 features a 34mm Titanium case. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-dc4ae70f0cf6]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1979

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