Rolex Datejust 31 Oystersteel Yellow Gold And Diamonds 278383rbr-0021

REFERENCE: 278383RBR
MODEL CASE: Oyster, 31 mm, Oystersteel, yellow gold and diamonds
BEZEL: Set with diamonds
WATER-RESISTANCE: Waterproof to 100 metres / 330 feet
MOVEMENT: Perpetual, mechanical, self-winding
POWER RESERVE: Approximately 55 hours
BRACELET: Oyster, flat three-piece links
DIAL: Dark grey set with diamonds