Very interesting verge fusee watch signed Joseph Mechil Prag
This watch is in 100% working order, the punctuality not tested. 
If you need more information, don't hesitate to ask.
Outside diameter: 44,5 mm
Weight: 81 grams
Please see my other auctions with very interesting and uncommon watches.
https://www.ebay.com/sch/i.html?item=315231267058&rt=nc&_trksid=p4429486.m3561.l170197&_ssn=rosk_56