Seiko Cal. 3813 - 976

This Solar model from 1971 features a 38mm PVD Black case. Powered by the 3813 caliber with 31j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-e1781803e76d]

Also known as: Rally, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1971

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