Seiko Cal. 4542 - 822

This Spring Drive model from 1971 features a 35mm Hardlex-Coated Steel case. With its 19mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-a8fd7c855d87]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1971

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