Seiko Cal. 3811 - 436

This Automatic model from 1975 features a 36mm Titanium case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-82bd048ca93e]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1975

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