Seiko Cal. 4456 - 422

The Seiko 4456-422 represents an important milestone in Seiko's 1967 lineup. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-b8be744eefd7]

Also known as: Silverwave, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1967

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