Seiko Cal. 5231 - 228

The Seiko 5231-228 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-2196d5242bfa]

Also known as: Rally, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1978

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