Multiple choice general knowledge science & technology

Rolex introduces the first waterproof case called the "Diastar 1".

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Rado, not Rolex, introduced the Diastar in 1962 as the world's first scratchproof watch. The Diastar featured a revolutionary hardmetal case that was highly resistant to scratching. Rolex is famous for waterproof watches like the Oyster, but they did not create the Diastar.