Seiko Cal. 6131 - 964

Released in 1978, the Cal. 6131 with design code 964 was part of Seiko's domestic market collection. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-de42495ddfac]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1978

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