Seiko Cal. 5617 - 633

Released in 1982, the Cal. 5617 with design code 633 was part of Seiko's domestic market collection. With its 20mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-ac583312cb7a]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1982

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