Seiko Cal. 5284 - 660

The Seiko 5284-660 represents an important milestone in Seiko's 1991 lineup. Powered by the 5284 caliber with 18j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-27fee3f50a86]

Also known as: Crown, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1991

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