A fascinating fine handwinding Audemars Piguet Ultra Thin 18K yellow gold medium watch, B series (SN: B 633xx), dating it to the mid/end 70’s A tiny, but impressing piece of watchmaking. In it 28mm case (without crown) it houses an AP 2003/1 caliber with 17 jewels, making this watch only 4,1 millimeters thick. Having a crown with sapphire cabochon, aftermarket leather strap with original AP 18k yellow gold buckle. This watch is also known as 25125BA or AP 251. Overall in a very good condition and a great dress watch for smaller wrists or ladies.
Differential taxation §25A UStG.