Seiko Cal. 6648 - 467

This Spring Drive model from 1973 features a 34mm Titanium case. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-8e77c8339819]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1973

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