Rolex Day-Date 36 vs Rolex Day-Date 40

Side-by-side at a glance. Click a watch above to open the full reference page.

	Rolex 128238	Rolex 228238
Model	Day-Date 36	Day-Date 40
Caliber	Rolex Cal. 3255 -- in-house automatic with day and date, 28,800bph, 70h PR, 31j; Chronergy escapement, Parachrom hairspring; used in Day-Date 40	Rolex Cal. 3255 -- in-house automatic with day and date, 28,800bph, 70h PR, 31j; Chronergy escapement, Parachrom hairspring; used in Day-Date 40
Case size	36mm	40mm
Lug-to-lug	44mm	47mm
Years produced	2019–present	2015–present
Brand tier	luxury	luxury
Era	modern	modern
Movement tier	In-house manufacture	In-house manufacture
Market median (excellent / full-set)	n/a	n/a
Typical range	n/a	n/a
Confidence	low	low
Categories	dress	dress
Editorial	yes	yes