Seiko Cal. 3887 - 430

The Seiko 3887-430 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-2ee0e4cebbd6]

Also known as: Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1968

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