Seiko Cal. 5643 - 664

Released in 1969, the Cal. 5643 with design code 664 was part of Seiko's domestic market collection. With its 21mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-67bc5db6d2e6]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1969

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