Reference Number: 216570-0002 Movement: Automatic Rolex Caliber 3187 with 31 jewels Functions: Hours, Minutes, Seconds, Date, Second Time Zone (GMT) Case Material: Black DLC-PVD Stainless Steel for enhanced durability Case Shape: Round Oyster Case for superior robustness Case Diameter: 42mm, offering a bold and stylish presence Bezel: Fixed 24-hour graduated bezel, aiding in tracking a second time zone Crown: Screw-down, Twinlock double waterproofness system Crystal: Scratch-resistant Sapphire Crystal for ultimate protection Dial Color: Black Dial with Luminous Hour Markers Dial Features: Luminous Hands and Hour Markers for enhanced visibility Orange 24-hour hand for second time zone tracking Minute markers around the outer rim Bracelet: Black DLC-PVD Stainless Steel Oyster Bracelet, featuring three-piece solid links Clasp: Folding Oysterlock Safety Clasp with Easylink 5mm Comfort Extension for a secure and adjustable fit Water Resistance: 100 meters (330 feet), making it suitable for various outdoor conditions Power Reserve: Approximately 48 hours, ensuring long-lasting performance