Seiko Cal. 6178 - 694

The Seiko 6178-694 represents an important milestone in Seiko's 1979 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-eaf791265edd]

Also known as: Samurai, Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1979

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