"Rolex Pirma Women's Gold Watch Circa 1920"
Superb functional ladies' Rolex Prima in 9ct solid gold from the early 1920s. Minor signs of wear to the bezel and glass, otherwise very good condition. 15 jewel hand-wound movement, fully signed and originally developed to Rolex's exacting standards. These early Prima movements were renowned for their reliability and accuracy, a reputation cemented by Rolex's chronometric records at Kew and other observatories during the 1910s and 1920s. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato
