Seiko Cal. 5637 - 869

The Seiko 5637-869 represents an important milestone in Seiko's 1970 lineup. With its 19mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-e97de43fb45f]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1970

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