Seiko Cal. 5638 - 717

The Seiko 5638-717 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-572b8311855a]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1970

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