You are viewing a fine Swiss open face pocket watch made in the 1870's. The watch case has a 47 mm diameter. The porcelain dial is fine. It has two light marks one around 8 and one in the sweep second circle at 6. The dust cover is gold plated metal. The watch is key wind and key set and a key is provided with purchase. The case has a Swiss hallmark of Argent which is 0.800 silver. The watch winds, sets, runs, and keeps time.