Seiko Cal. 4578 - 739

The Seiko 4578-739 represents an important milestone in Seiko's 1973 lineup. With its 18mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-fef237b954e4]

Also known as: Emperor, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1973

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