Rolex Datejust men's wristwatch ref. 1188398. Features automatic movement with self-winding and Parachrom® escapement for exceptional stability against magnetic fields. Case constructed from 18k yellow gold stainless steel measuring 36 mm in diameter, ensuring durability and classic elegance. Equipped with a luminous Rolex Oyster Perpet™ automatic chronometer certified mainspring mechanism guaranteeing precise timekeeping accuracy. The dial is crafted with champagne-colored finish offering timeless sophistication and readability. Includes scratch-resistant sapphire crystal glass for the front window to protect the elegant dial face and maintain optical clarity over years of wear.