Seiko Cal. 5617 - 733

The Seiko 5617-733 represents an important milestone in Seiko's 1966 lineup. With its 20mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-f0fe16582010]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1966

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