Seiko Cal. 5643 - 204

The 5643-204 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-7c476b13a72d]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1965

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