Seiko Cal. 5630 - 616

Released in 1966, the Cal. 5630 with design code 616 was part of Seiko's domestic market collection. With its 19mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-730ada13cc5a]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1966

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