With no markers at all, this Rolex Day-Date, Ref. 18238 featuring an Onyx dial, is a grail watch for collectors of minimalistic preference. Pictured on Sotheby’s specialist m_a_n_e_g_a. A highlight of of the ‘Important Watches: Part I’ auction on 14 May, part of #SothebysLuxuryWeek at #SothebysGeneva. Visit the link in bio to view the catalogue. #SothebysWatches #Rolex #RolexDayDate