Seiko Cal. 4517 - 578

The Seiko 4517-578 represents an important milestone in Seiko's 1975 lineup. With its 21mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-ace2dfcf1656]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1975

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