Is there a true official watch worn by US Navy SEALs?

Yes, the US Navy SEALs have a preferred watch, which is the Luminox Navy SEAL series. These watches are known for their durability, water resistance, and readability in low-light conditions. While not an official military issue, they are widely recognized and used by SEALs due to their reliability and performance in extreme environments. Other brands like Suunto and Casio G-Shock are also popular among SEALs for similar reasons.