Limited edition of approx 300 pieces u boat watch chimera 43 b b limited edition every single u boat timepiece is handcrafted in italy by master craftsman dedicated to the highest level of precision engineering and finishing where care and attention to detail span the entire process from the very first prototype to the final assemblage of the watch behind every u boat creation there is a story of inspiration and stylethisu boatwatch is partly made from stunning bronze a material tha