Seiko Cal. 3831 - 650

The 3831-650 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-50a04c216f94]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1971

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