1960s Chronographe Suisse Delrio 39mm 18k Rose GoldThis 1960s Chronographe Suisse Delrio manual chronograph features an 18k rose gold case measuring 39mm in diameter with a matching rose gold dial. The antimagnetic 17 jewel movement powers the chronograph function, which allows timing of events through pushers on the case sides while the antimagnetic properties protect the movement from magnetic interference. Rose gold provides a warmer, more subtle tone than yellow gold, creating a cohesive