Seiko Cal. 5660 - 485

This Spring Drive model from 1974 features a 38mm Hardlex-Coated Steel case. With its 19mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-d1918149ccfb]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1974

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