Seiko Cal. 5660 - 678

This Quartz model from 1985 features a 39mm Hardlex-Coated Steel case. With its 22mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-a747ef9df7e8]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1985

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