Seiko Cal. 4418 - 621

This Quartz model from 1967 features a 40mm Hardlex-Coated Steel case. With its 19mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-542fa36d3464]

Also known as: Helmet, UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1967

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