Seiko Cal. 7031 - 566

Released in 1975, the Cal. 7031 with design code 566 was part of Seiko's domestic market collection. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-0aeef0da7666]

Also known as: Silverwave, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

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