Seiko Cal. 0731 - 815

Released in 1970, the Cal. 0731 with design code 815 was part of Seiko's domestic market collection. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-82a27bb7bdb7]

Also known as: Flighty

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1970

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