Seiko Cal. 6618 - 930

This Spring Drive model from 1966 features a 38mm PVD Black case. With its 19mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-d340d7163606]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1966

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