Seiko Cal. 6643 - 898

The 6643-898 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-8eb4213781aa]

Also known as: Rally, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1999

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