The Rolex Day-Date 40 launched in 2015, offering a new size between the classic 36 mm version and the Day-Date II. Featuring a 40 mm 18 ct yellow gold Oyster case, it is water-resistant to 100 meters. Reference 228238-0004, introduced in 2016, includes a fluted bezel and a black dial adorned with baguette-cut diamond markers. Driven by the self-winding calibre 3255, it provides a 70-hour power reserve and Superlative Chronometer certification, finished with a yellow gold President bracelet.
Shape
Round
Lug Distance
20.00 mm
Material
Yellow Gold
Glass
Sapphire
Thickness
12.00 mm
Diameter
40.00 mm
Water Resistance
100.00 m
Dial Color
Black
