Seiko Cal. 3813 - 974

This Solar model from 1966 features a 42mm Gold-Plated case. Powered by the 3813 caliber with 28j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-c10b74a201d8]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1966

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