Seiko Cal. 3874 - 231

Released in 1970, the Cal. 3874 with design code 231 was part of Seiko's domestic market collection. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-c2ee436ec058]

Also known as: Monster, Sea Horse

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1970

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