Seiko Cal. 3811 - 521

This Solar model from 1969 features a 35mm Hardlex-Coated Steel case. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-779a1e1c9f5d]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1969

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