This is a Rolex Oyster Perpetual Datejust watch, specifically the full stainless steel edition with a smooth bezel and white dial.
Key Details
• Model Family: Rolex Oyster Perpetual Datejust
• Common References:
◦ 41mm: 126300-0009
◦ 36mm: 126200-0006
• Case/Bracelet: Oystersteel with a classic Oyster bracelet
• Bezel: Smooth, polished stainless steel bezel
• Dial: White dial with applied stick hour markers
• Date Window: 3 o'clock position with the iconic Cyclops lens
• Movement: Manufacture Calibre 3235 automatic movement, with a ~70-hour power reserve