Seiko Cal. 0718 - 420

Released in 1968, the Cal. 0718 with design code 420 was part of Seiko's domestic market collection. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-ace2390cf011]

Also known as: Sumo, Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

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