Seiko Cal. 5663 - 999

Released in 1968, the Cal. 5663 with design code 999 was part of Seiko's domestic market collection. It features a Cream dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-17f2db6dc399]

Also known as: World Timer, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1968

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