The Frogman models get an extension with the Hamilton Khaki Navy Frogman 41 mm. So now you can get it in 46, 42 and 41 mm
Hamilton caliber H-10 | Automatic | Diameter: 25.60 mm | Frequency: 21,600 vph (3 Hz) | Jewels: 25 | Hours, minutes, seconds | Power reserve: 80 hours
This is the new Hamilton Khaki Navy Frogman, a remake of the Frogman that appeared in the movie The Frogmen in 1951