Seiko Cal. 5668 - 747

The Seiko 5668-747 represents an important milestone in Seiko's 1969 lineup. It features a Black dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-c9147996ffd8]

Also known as: World Timer, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1969

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