Seiko Cal. 3865 - 779

The Seiko 3865-779 represents an important milestone in Seiko's 1979 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-322589ea3fbb]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1979

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