Seiko Cal. 5231 - 205

Released in 1970, the Cal. 5231 with design code 205 was part of Seiko's domestic market collection. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-7a9aa3abe040]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1970

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