Seiko Cal. 4541 - 742

This Spring Drive model from 1973 features a 35mm Hardlex-Coated Steel case. With its 18mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-ec17a8f8732b]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1973

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