Seiko Cal. 4416 - 158

This Spring Drive model from 1974 features a 42mm Hardlex-Coated Steel case. With its 22mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-faec9f9a8b02]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1974

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