Seiko Cal. 6677 - 157

This Spring Drive model from 1978 features a 41mm PVD Black case. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-e352f711428a]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1978

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