Seiko Cal. 6231 - 835

Released in 1977, the Cal. 6231 with design code 835 was part of Seiko's domestic market collection. With its 20mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-5dafe850ba1e]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1977

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