Seiko Cal. 5660 - 474

The Seiko 5660-474 represents an important milestone in Seiko's 1979 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-1ab42b164a22]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1979

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