Seiko Cal. 5223 - 229

The Seiko 5223-229 represents an important milestone in Seiko's 1976 lineup. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-174b976b4922]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1976

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