Seiko Cal. 6688 - 743

The Seiko 6688-743 represents an important milestone in Seiko's 1974 lineup. Powered by the 6688 caliber with 31j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-662457ee9b05]

Also known as: World Timer, Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1974

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