Seiko Cal. 5688 - 531

The Seiko 5688-531 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-f88718db8cc8]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1977

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