Seiko Cal. 3870 - 581

The Seiko 3870-581 represents an important milestone in Seiko's 1977 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5068374dc0fb]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1977

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