Seiko Cal. 5643 - 564

The Seiko 5643-564 represents an important milestone in Seiko's 1969 lineup. With its 18mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-d27c6efcf31d]

Also known as: Rally, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1969

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