Seiko Cal. 3821 - 957

This Spring Drive model from 1965 features a 43mm Stainless Steel case. With its 19mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-31b56f9e0465]

Also known as: Samurai, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1965

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