Seiko Cal. 5617 - 103

Released in 1974, the Cal. 5617 with design code 103 was part of Seiko's domestic market collection. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-15442cd43eec]

Also known as: UFO, Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1974

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