Seiko Cal. 5634 - 581

The 5634-581 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-02aa2fe67af8]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1971

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