Seiko Cal. 6343 - 664

This Spring Drive model from 1977 features a 45mm PVD Black case. With its 22mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-4baed4a140ab]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1977

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