Seiko Cal. 3813 - 775

This Solar model from 1967 features a 38mm Gold-Plated case. Powered by the 3813 caliber with 35j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-f76bc4529ee3]

Also known as: Sumo, Pogue

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1967

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