Seiko Cal. 3867 - 650

The Seiko 3867-650 represents an important milestone in Seiko's 1980 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-6eaa775dc518]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1980

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