Seiko Cal. 3831 - 634

This Spring Drive model from 1983 features a 44mm Two-Tone case. Powered by the 3831 caliber with 23j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-27bf8870742a]

Also known as: Goldfeather, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1983

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