Seiko Cal. 3811 - 758

This Spring Drive model from 1970 features a 42mm PVD Black case. With its 20mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-847004c30de0]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1970

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