SWATCH mono black, in good pre-loved condition Opposites attract. This clean sophisticated black and white design is a modern must-wear. The MONO BLACK IN BIOSOURCED watch is set apart with a black mirror-effect dial featuring biosourced glass, bright white glow-in-the-dark indexes, plus a day-date window at 3 o’clock for ultimate functionality. A solid matte black biosourced material case, strap, loop and buckle lend the all-black favorite a clean, contemporary look.