Robuta

https://www.sothebys.com/en/buy/auction/2025/important-watches-3/reference-3729-a-yellow-gold-bracelet-watch-with

Reference 3729 | A yellow gold wristwatch with onyx dial and later gold bracelet, Circa 1981 |...

yellow gold onyx dial reference wristwatch

https://www.sothebys.com/en/buy/auction/2020/watches-weekly-geneva-23/patek-philippe-grand-ellipse-ref-3730-yellow-gold

PATEK PHILIPPE | GRAND ELLIPSE, REF 3730 YELLOW GOLD WRISTWATCH WITH ONYX DIAL MADE IN 1976 |...

patek philippe yellow gold grand ellipse ref