Seiko Cal. 5648 - 750

This Quartz model from 1979 features a 34mm Stainless Steel case. With its 21mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-45b2b6bfbab6]

Also known as: Sumo, UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1979

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