Ulysse Nardin 6119-103/p0-p2 Hourstriker Erotica 42mm Mens Watch. Solid 950 Platinum case. Dark & lively mother-of-pearl dial with a natural white mother-of-pearl center. Elegant white gold leaf shaped hands. The Hourstriker will automatically chime on the hour the same amount of times as the current hour & a single time on each half hour. The Hourstriker chime can be silenced using the on/off button. The current status of the chime is indicated by a small hand at the right side of the dial. The Hourstriker can also be independently manually called upon by pressing the bottom button (regardless if the chime is turned ion or off).