Hamilton Watch American Classic Boulton H13431553. Boulton is possibly one of the most popular Hamilton watches ever originally produced in the 1940s. Todays Boulton has a reshaped strap that follows the line of the case. The silver dial bears gold colored numbers and hands plus a round second counter. This classic has one foot firmly planted in the rich Hamilton heritage and the other in cutting edge Swiss watch making technology. Boulton is powered by an ETA 980.163 movement.