Seiko Cal. 5231 - 208

Released in 1980, the Cal. 5231 with design code 208 was part of Seiko's domestic market collection. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-a5984f1aa6ac]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1980

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