40MM Day Date 228238 (2025) Pre-Owned RolexThe Rolex Day Date 228238 is the 40mm Day Date in solid 18k yellow gold. For decades, the Day Date was traditionally offered in a 36mm case before Rolex introduced the larger 41mm Day Date II in 2008. In 2015, Rolex discontinued the Day Date II and launched the redesigned Day Date 40, refining the proportions while introducing the new generation Calibre 3255 movement. The Day Date is the only Rolex offering with both day and date displays, with the