Seiko Cal. 5637 - 566

The Seiko 5637-566 represents an important milestone in Seiko's 1988 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-d28be534f40a]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1988

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