Seiko Cal. 0717 - 918

The Seiko 0717-918 represents an important milestone in Seiko's 1982 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-96c3adbe5267]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1982

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