Swiss watch brands are renowned for their precision and craftsmanship. Rado, with four letters, is a Swiss luxury watchmaker that has been producing watches since 1917. OMEGA, with five letters, is another Swiss watchmaker that has been in business since 1848 and is known for its iconic Speedmaster chronograph. Eterna, with six letters, is a Swiss watchmaker that has been producing watches since 1856 and is known for its innovative movements. Piaget, with six letters, is a Swiss watchmaker that has been producing watches since 1874 and is known for its ultra-thin watches.