Seiko Cal. 5637 - 598

The Seiko 5637-598 represents an important milestone in Seiko's 1981 lineup. With its 22mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-8f46c3de9ce5]

Also known as: Pogue

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1981

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