CASE: Case material: solid silver 925 purity size 50 mm without lugs and crown. Lug width: 24 mm Case after carefully polishing. Inner cover fully hallmarked by Birmingham assay office case maker - Dennison watch Co, made in 1919 - letter U Wilsdorf and Davies stamp - W&D MOVEMENT: Swiss movement 15 jewels Movement in great condition, cleaned and oiled, sets and runs perfect, keep good time, has 30 hours power reserve. Wilsdorf Bienne hallmark under the dial ( look on photos ) DIAL: White porcelain dial in good condition with non visible marks of using, metal black color hands, signed Rolex New mineral thick glass 44.5 mm. BRACELET/STRAP: Genuine leather watch strap black color - new. Color: black Lug width 24 mm Please see all images and video I WILL DO MY BEST TO ANSWER ANY QUESTIONS. I’m ready to send you any additional information or photos. WE PROVIDE: - one year guarantee for movement - PayPal deal protection 180 days - certificate of authenticity - instruction for using antique watch - international shipping with tracking nbr (if you need DHL shipping please contact before buying) FOR NON PROFESSIONALS : This is antique wristwatch circa 1920. Watch dose not shock resistance, water resistance. Watch is mechanical and need to wind every day. Watch does not have any electronics parts or components. So please if you are not absolutely sure that you are able to use antique timepiece please do not buy this watch.