Seiko Cal. 5688 - 428

The Seiko 5688-428 represents an important milestone in Seiko's 1979 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-63ddc3fda0ee]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1979

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