Offers a very rare "skeleton" watch with the mechanism visible from the dial side. Watch very good keeping time. Date of last service unknown. Original hand winding movement with 17 jewels in very good condtion. This type of mechanism is very durable. Steel original case in very good condition. The watch has very good condition transparent dial, with black hands. Size of watch is 32 mm without the crown. Lug to lug is 38 mm. Original transparent caseback in very good condition. The watch has new dark blue leather strap (18 mm) with golden buckle. * All parcels will be sent by Polish Post or another official courier company, I always add a tracking number after shipping and I ship each package as insured. ** Please view the pictures carefully, watches are often used and old, if you have any problem with watch after shiping please first to message me and we will do everything to fix it. *** Please note that when purchasing from outside the European Union, please be prepared for additional costs in the form of customs duties imposed by the countries. **** Unfortunately, at the moment we have a big problem with shipping to the USA and to countries at risk of military conflict. Best regards.