Seiko Cal. 0721 - 678

This Automatic model from 1968 features a 40mm Stainless Steel case. With its 18mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-e4d3b34620f4]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1968

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