Seiko Cal. 5680 - 691

The Seiko 5680-691 represents an important milestone in Seiko's 1988 lineup. Powered by the 5680 caliber with 28j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-96f28f142551]

Also known as: UFO, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1988

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