Seiko Cal. 5660 - 656

The Seiko 5660-656 represents an important milestone in Seiko's 1990 lineup. Powered by the 5660 caliber with 27j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-879db8f242d3]

Also known as: Silverwave, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1990

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