Seiko Cal. 5688 - 508

The Seiko 5688-508 represents an important milestone in Seiko's 1967 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-04ef7acc1685]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1967

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