BALL1 Ball Watch Trainmaster Roman. Reference NM1058D-L4J-WH. Watch measures 41mm and is made from steel. Automatic Ball Watch movement caliber RR1102. Sapphire crystals on both sides of the case. Waterproof 10ATM or 100 meters. Functions are hours, minutes, sweep seconds, day and date. This watch is fitted with the original black leather strap with steel pin buckle. This watch is complete with the original box but is sadly missing the papers. The original bill of purchase is with the watch and the watch is still under official warranty. Please be aware that this watch was worn only once or twice and is therefore in mint condition. Please also be aware that this watch was made to resist shocks of up to 5000G (!). A great and very beautiful watch by one of the lesser known brands!