Seiko Cal. 5228 - 539

The Seiko 5228-539 represents an important milestone in Seiko's 1976 lineup. With its 19mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-6a8b4f89062e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1976

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