Seiko Cal. 6643 - 196

The 6643-196 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6643 caliber with 21j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-0d11a980b6bc]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1975

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