Romain Jerome Calibre RJ2901 automatic movement, 800 vph frequency self-winding mechanism. Sapphire crystal resistant to scratches. Fixed black stainless steel bezel. Round case shape measuring 46 mm in diameter and 16.5 mm thick. Black rubber strap features a tang clasp closure and band width of 22 mm with an adjustable length up to 8 inches (approx. 203mm). Water resistant at 30 meters / 100 feet depth. Blue dial displays analog functions (hours, minutes) using black hands. Item belongs to the Moon Dust Series, designed for a luxury watch style.