Seiko Cal. 5633 - 697

The Seiko 5633-697 represents an important milestone in Seiko's 1981 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-f7c7e3612d9f]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1981

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