Seiko Cal. 4518 - 551

The Seiko 4518-551 represents an important milestone in Seiko's 1970 lineup. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-44c0dbbb5bd4]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1970

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