Seiko Cal. 3831 - 371

The 3831-371 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-61a033dbb1fa]

Also known as: World Timer, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1979

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