Breguet Calibre 586 Automatic movement with 29 jewels. Mother-of-pearl dial accented by blue hands and Roman numeral hour markers. Fixed yellow gold bezel. Polished 18kt yellow gold case, oval shape measuring 24.95mm x 33mm. Case thickness is 8.60mm. Equipped with a deployant buckle clasp bracelet also made of polished 18kt yellow gold. Scratch-resistant sapphire crystal. Pull/push crown for time setting. Transparent case back. Water resistant to 30 meters / 100 feet (suitable for shallow water). Analog functions: hour, minute only.