Case: Case material : solid gold 9 Kt - 375 purityCase stamped Ulysse Nardin hallmarkDannison case fully hallmarked for British  Assay Office  Case after carefully polishing. Case size: 49  mm, without lugs  lug width: 22 mm Crystal: mineral glass Movement: High grade swiss made chronograph movement. The chronograph with start, stop, and return. Professionally serviced, perfect working and keeping accurate time +15 sec per day. All functions works perfect like new.  Dial: White porcelain  dial in good condition with Roman numerals black, with Blue color hands. Triple Dial with 60 Minute Register.Dial Signed Ulysse Nardin.When this watch came to me it has fragments of letters from caption "made to the royal navy"it's disappeared finally during service process.  Bracelet/strap: Alligator skin watch strap with GP solid silver (0.925) buckle. Winding Crown with natural blue sapphire - solid silver with 24 Kt GPFurniture material: 925 solid  silver with 24 gold plate Please see all images and video. https://youtu.be/o08KdPJaFM4 I WILL DO MY BEST TO ANSWER ANY QUESTIONS.    I’m ready to send you any additional information or photos. Watch can be shipped from outside of territory of United States or United Europe, please especially for Belgium and Canadian buyers : all custom taxes and fears should be paid by buyer but as seller we have several ways for buyers to minimize custom taxes in your country, winner of that auction will be informed about our abilities in that case. 
This is antique watch. Watch does not water resistance, watch dial is porcelain (ceramic) and can be broken in case of hard shock. Watch is mechanical and need to wind every day. Watch does not have any electronics parts or components. Glass is mineral, mineral glass more easy to brake then modern acrylic glass. So please if you are not absolutely sure that you are able to use antique time piece please do not buy this watch