Seiko Cal. 4578 - 509

The Seiko 4578-509 represents an important milestone in Seiko's 1965 lineup. With its 18mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-ad4d75f95f8d]

Also known as: Samurai, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1965

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