Ulysse Nardin Open Face Pulsation Pocket Watch
18K yellow gold Ulysse Nardin pulsation pocketwatch, made circa 1915, is a rare pocket watch with single button chronograph, constant seconds and 30 minute register. The 49mm case has white enamel dial with Roman numerals, outermost chronograph ring with pulsometer scale graduated for 30 pulsations, subsidiary seconds dial at 6, 30-minute register at 12. Black steel spade hands. The manual wind mechanical movement is warrantied by Aaron Faber for 1 year.