Seiko Cal. 5637 - 694

The Seiko 5637-694 represents an important milestone in Seiko's 1980 lineup. With its 22mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-47acf7b6964b]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1980

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