Seiko Cal. 5231 - 803

Released in 1973, the Cal. 5231 with design code 803 was part of Seiko's domestic market collection. With its 21mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-e8f4b1dc10ef]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1973

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