Seiko Cal. 5663 - 966

Released in 1969, the Cal. 5663 with design code 966 was part of Seiko's domestic market collection. It features a Silver dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-2edbf50908ec]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1969

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