Seiko Cal. 6643 - 958

This Kinetic model from 1986 features a 43mm Stainless Steel case. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-a3131f569089]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1986

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