Seiko Cal. 5637 - 600

The Seiko 5637-600 represents an important milestone in Seiko's 1984 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-744f0fef4fc5]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1984

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