This 44.5mm. stainless steel Rolex chronometer grade pocket watch houses the BEST movement you will find in these uncommon watches. The (just serviced) Rolex 21 jewel movement is adjusted to six positions. The steel case is without scratches and never polished. This watch must have been stored for multiple decades to stay this clean. The original textured sunburst pattern dial with blued steel hands and sub-seconds also looks amazing. I wear a pocket watch every Friday and you should too! These watches are very hard to find.