Seiko Cal. 6377 - 939

This Spring Drive model from 1970 features a 45mm PVD Black case. With its 18mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-65e1af0b5792]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1970

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