Seiko Cal. 3859 - 940

The Seiko 3859-940 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ee53222617fb]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1968

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