Information The Fondation Horlogère in Porrentruy was founded in 2001 and is dedicated to the history of the Jurassic watchmaking industry. Different exhibitions, presentations of watchmaking manufactures, or auctions of special objects aim to promote the watchmaking trade in the Jura.   Opening hours Monday : 1.30 - 6.30 p.m. Tuesday-Friday : 9.00 - 12.00 a.m. and 1.30 - 6.30 p.m. Saturday : 9.00 - 12.00 a.m. and 1.30 - 5.00 p.m. Visits are possible at other times upon prior reservation.   Prices Adults: CHF 5.00 Apprentices, students, pensioners: CHF 3.00