Seiko Cal. 3821 - 912

The 3821-912 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-885e56fc0fbb]

Also known as: Monster, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1976

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