Seiko Cal. 3870 - 385

This Automatic model from 1991 features a 34mm PVD Black case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-b54ac7134f8e]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1991

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