Seiko Cal. 6634 - 645

This Solar model from 1976 features a 44mm PVD Black case. With its 18mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-945317d5b5a2]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1976

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