Seiko Cal. 7181 - 397

This Spring Drive model from 1976 features a 38mm PVD Black case. With its 22mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-f9e34febd6a3]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1976

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