Seiko Cal. 5631 - 893

The Seiko 5631-893 represents an important milestone in Seiko's 1974 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-645e1dddcd28]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1974

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