Seiko Cal. 5683 - 990

Released in 1982, the Cal. 5683 with design code 990 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-ab72ba20593d]

Also known as: UFO, Goldfeather

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1982

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