Rolex Oyster "Precision" model 6426 manual wind, powered by 17 jewels Rolex Cal.1225 in all stainless steel case and band with steel color dial.
Promo:
Factory Model Number. 6426.
Swiss Mechanical Wind-up ( Manually wound ). 17 jewels. Rolex Cal.1225.
Solid AISI 316L Stainless steel. Combination satin/polished finish.
Sport style, screw-down (threaded). Factory Logo engraved/embossed.
Silver Satin color. Applied polished Silver color markers.
Hands:
Steel color. Tritium luminous filled.
Jubilee style links. Solid AISI 316L stainless steel. Combination satin/polished finish. Little stretched but will hold for many more years.