Silver-tone stainless steel case. Silver-tone stainless steel oyster bracelet with fixed bezel and treated clasp. Black dial features silver-tone hands, index hour markers (black or white), and minute ring markers around the outer rim. Analog display functions. Luminescent coating on hands and markers for night-time readability. Powered by Rolex Calibre 3130 automatic mechanical movement containing 31 jewels; operates at a frequency of 28800 vph beats per hour, offers approximately 48 hours power reserve. Equipped with scratch resistant sapphire crystal glass covering. Screw-down bezel and crown. Solid case back. Round case shape measuring 36 mm in diameter. Includes safety release mechanism on the fold over clasp. Water resistant up to 100 meters / 330 feet depth. Functions include timekeeping (hours, minutes, seconds) with chronometer designation indicating precise performance.
