Breitling 24Hr UTC Clock with 18K Gold Bezel, ref B70174

22mm lug top lug, designed for fitment to many larger Breitling watches, typically 42/44/46m models like the Crosswind, Chronomat and Navitimer.
 
Battery fitted and supplied in perfect working order with precise timekeeping. 

** Watch & straps shown are for illustrative purposes only but can be supplied upon request.