Seiko Cal. 6231 - 970

Released in 1974, the Cal. 6231 with design code 970 was part of Seiko's domestic market collection. With its 21mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-ce7bd4cee770]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1974

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