Seiko Cal. 6643 - 109

The 6643-109 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-aa96ce2b9b61]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1989

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