Seiko Cal. 4456 - 579

The Seiko 4456-579 represents an important milestone in Seiko's 1966 lineup. With its 20mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-5b5ea44faa72]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1966

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