Seiko Cal. 5616 - 537

Released in 1980, the Cal. 5616 with design code 537 was part of Seiko's domestic market collection. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-7d2feaa06fed]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1980

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