Seiko Cal. 6312 - 257

Released in 1981, the Cal. 6312 with design code 257 was part of Seiko's domestic market collection. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-035265ec98ef]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1981

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