Sinn is celebrating 30th anniversary of the reunification of Germany with a special edition of one of its most coveted watches, the U1. The U1 DE is finished with a 44mm case made out of Tegimented, all-black German Submarine Steel for enhanced durability. The watch is also decorated in the country's national colors with a high-gloss, gold-plated second hand and red accents against the all-black finish. The watch's movement is an SW 200-1 automatic with a power reserve of 38 hours. 

Limited to 300 pieces. 

$2,840, watchbuys.com