Seiko Cal. 3813 - 787

This Quartz model from 1971 features a 36mm Hardlex-Coated Steel case. With its 19mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-f2cd5ad489d8]

Also known as: UFO, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1971

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