Seiko Cal. 3874 - 563

This Hand-Winding model from 1968 features a 42mm Hardlex-Coated Steel case. With its 18mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-012bc40ba807]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1968

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