Seiko Cal. 5663 - 509

The Seiko 5663-509 represents an important milestone in Seiko's 1969 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-fc46d18326ce]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1969

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