Seiko Cal. 4451 - 635

This Spring Drive model from 1966 features a 42mm Titanium case. With its 18mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-4d76ccc163df]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1966

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