The competition is open to everyone: simply give the correct answers to three questions. The winner will be selected by drawing lots among all the participants who gave the correct answers and will receive the Ernest Borel Retro I watch, worth CHF 2'595.-

Ernest Borel Retro I

Ernest Borel Retro I. © Ernest Borel

End of contest: 31st of May 2015.
The results will be published on Worldtempus.