Seiko Cal. 6643 - 326

The 6643-326 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6643 caliber with 17j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-3e0a60ce78d5]

Also known as: Pogue, UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1989

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