Here are a few of my favorites.
Rolex Sea-Dweller, Walther PP and RMK Model 2 inscribed with the motto of the French Foreign Legion.

Same weapons combo with a 1974 "Double Red" Sea-Dweller, formerly owned by a Captain in SEAL Team 2.

Same weapons combo with a gilt dial 1966 Rolex Submariner (Ref. 5513) formerly owned by a British Navy Diver.

Colt XSE, RMK Model 5 "Camp Knife" and 1978 Rolex Submariner (Ref. 1680) formerly owned by a U.S. Navy Diver.
TT Rolex Submariner and RMK Model 16.

1965 Omega Speedmaster ("Ed White Model") and RMK Model 17 "Astro."

As you can see, I have a weakness for this subject, and I don't invest in the stock market.