Seiko Cal. 5637 - 861

The Seiko 5637-861 represents an important milestone in Seiko's 1990 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-15d9d9a86fc3]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1990

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