The tank amricaine watch features an elongated case with a more pronounced curve than the original model it playfully updates the geometry of the lines retaining the rectangular form while alternating between round edges and angles the powerfully elegant tank amricaine watch is for connoisseurs onlytank amricaine watch medium model mechanical movement with automatic winding 18k pink gold case 8 sided 18k pink gold crown set with a sapphire silvered flinqu dial roman numerals blued