The Rolex Datejust ref: 278343RBR-0016 features a 31mm case crafted from a combination of yellow gold and stainless steel. This model, produced in 2018, is powered by the automatic winding Rolex caliber 2236. It includes a green dial and a date function, ensuring precise timekeeping. Additionally, this watch is certified as a chronometer, reflecting its accuracy and reliability. The Datejust series is known for its versatility and elegance, making it a notable choice for various occasions.