Seiko Cal. 4520 - 657

The Seiko 4520-657 represents an important milestone in Seiko's 1988 lineup. With its 19mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-5347eebd88ed]

Also known as: UFO, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1988

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