Collectors have nicknamed the Mark 1 dial the "Frog Foot" because of its odd, widely
link splayed Rolex coronet, which resembles
link the animal's webbed digits. While
link all Mark 1's have an amphibian-like logo at 12 o'clock, variations within the Mark 1 are determined mostly by the appearance of the luminous numbers 3, 6, and 9. First up, we have this example with puffy luminous numerals.