Seiko Cal. 3818 - 941

This Spring Drive model from 1972 features a 39mm PVD Black case. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-1ab63423b565]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1972

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