Hyderabad, March 15 -- A unique Rolex watch with the signature of Dubai's ruler was sold for Dirham 1.1 million (Rs 2,48,42,615) at an auction at the Concrete venue at Alserkal Avenue in the Al Quoz district in Dubai, United Arab Emirates (UAE).

This came during a recent inaugural auction of rarest cars and watches by RM Sotheby's in Dubai, which grossed a total of Dirham 63.788 million (Rs 1,43,93,90,052) in sales.

The Rolex Daytona, made around 1978, features the UAE coat of arms and the Arabic signature of Sheikh Mohammed bin Rashid Al Maktoum, Vice-President and Prime Minister of the UAE and Ruler of Dubai, who was at the time the Minister of Defence.

The auction saw three supercars, in addition to the luxury watch, sold for over D...