Seiko Cal. 6156 - 934

This Spring Drive model from 1968 features a 35mm PVD Black case. With its 21mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-af50fcdee415]

Also known as: Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1968

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