Seiko Cal. 6643 - 147

The 6643-147 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-2feb9dcf46f7]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1975

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