Seiko Cal. 0717 - 939

The Seiko 0717-939 represents an important milestone in Seiko's 1979 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-fdaa5ada3cf1]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1979

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