I can highly recommend a visit to The Palace of Time museum in Jerez, it's a hidden gem. Although a short walking distance out of the centre no one will be disappointed in taking the guided tour for €6. Locals pay €3. The guided tours operate about every hour, my guide at 11.30am was with me alone but the lady taking me around could not have been nicer. Perfect spoken English, very enthusiastic and fantastic knowledge of the history of the museum history, exhibits and horology in general. It was difficult to believe that some of the clocks were from the 18th (and earlier) century but were still working. As I was alone with the guide just being in the main downstairs area with the sound of the clocks ticking away was amazing. Then at 12.00 noon many of the clocks with chimes rang out...what a sound. The free standing clock as you enter the museum (see photo) was originally from the clock tower in Jerez and was lovingly restored...a tremendous piece. I particularly liked the French sundial clock cannon in my photo. A small amount of gun-powder can be placed in the cannon and the sun's rays focused so that at noon the cannon fires! Tremendous. I also purchased the souvenir guide (sadly only available in Spanish) but for €9 it documents the exhibits. I took many photos of individual clocks as they were being described as each piece is so unique. There is also a collection of walking sticks to see but it was the clocks and pocket watch collection that made my day. Highy recommended.