Seiko Cal. 6668 - 843

The 6668-843 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6668 caliber with 33j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-8f8dbf627028]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1998

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