Roni Madhvani aka Roni M recently posted on his IG account (@roni_m_29) some photos of this intriguing Ulysse Nardin with a yellow gold case shaped like a square inclined parallelepiped . Thank you, Roni, for letting me use your photos. credit: @roni_m_29
Ref 5159, from 1960: 1936, Astrua Co Signed: 1929 Carrée Jumping Hours: 1945 Minute Repeater, in platinum: And two last ones: Oh yes, there is a life outside the Royal Oak, indeed! Best, Nicolas