Seiko Cal. 6691 - 890

The 6691-890 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-3fa3a2cbcd1b]

Also known as: Rally, Crown

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1999

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