Seiko Cal. 6643 - 160

The 6643-160 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-e0ca3be69b6d]

Also known as: Flighty

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1968

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