Seiko Cal. 5683 - 940

Released in 1980, the Cal. 5683 with design code 940 was part of Seiko's domestic market collection. With its 19mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-8d88fc0870af]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1980

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