Silver-tone stainless steel case, silver-tone stainless steel oyster bracelet. Fixed silver-tone bezel. Black dial featuring silver-tone hands and index hour markers with minute markers around the outer rim. Analog dial type with luminescent for hand and marker illumination. Includes date display at the 3 o'clock position. Powered by a Rolex Calibre 3186 automatic movement, which contains 31 jewels. Movement beats per hour (bph) rate is 28800 vph. Power reserve approximately 50 hours. Equipped with scratch-resistant sapphire crystal. Screw down crown for secure winding and setting. Solid case back. Round case shape measuring 40 mm in diameter and 12 mm thick. Band width of 15.5 mm, band length up to 7 inches (approximately). Features a fold over clasp equipped with safety release mechanism. Water resistant up to 100 meters / 330 feet suitability for swimming. Functions include date, GMT time zone indication, second time zone display capability, hour, minute, and second hands along with chronometer accuracy.