Seiko Cal. 5690 - 821

The Seiko 5690-821 represents an important milestone in Seiko's 1991 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2f29fe44a536]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1991

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