Seiko Cal. 5690 - 930

The Seiko 5690-930 represents an important milestone in Seiko's 1981 lineup. Powered by the 5690 caliber with 33j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-f80ab8b836b4]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1981

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