Seiko Cal. 6655 - 840

This Spring Drive model from 1966 features a 35mm Gold-Plated case. With its 20mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-af964afeab93]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1966

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