Seiko Cal. 6690 - 818

This Solar model from 1974 features a 42mm PVD Black case. With its 21mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-1502e341daf7]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1974

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