"I reckon in about two weeks we'll start seeing meaningful production," Chris Griffith, Amplats chief executive, told Talk Radio 702.
He estimated the world No. 1 platinum producer would end up losing R11bn due to the strike.
Amplats, along with rivals Lonmin [JSE:LON] and Impala Platinum (Implats) [JSE:IMP] signed wage deals with the Association of Mineworkers and Construction Union (Amcu) on Tuesday, bringing an end to the longest and costiliest labour strike in South African history.
The five-month strike hit 40% of global production of the precious metal and has cost the three platinum giants a combined R24bn in lost revenue.
Around 1.2 million ounces of production have been lost to date, according to Reuters calculations based on the companies' estimated loss of 10 000 ounces a day. The industry usually works for 11 days out of 14.
Yet the strike had little impact on the spot price of platinum, underscoring the challenges facing the sector.