This is a cool feature you can see on vintage Fifty Fathoms, under 1000 case number. Here is one, to be credited to Amsterdam Watch Company, number 712. Note that the dial on this one is a later one: Here, for the comparison, the dial from the era, and th...
I much prefer the first one 712 closely followed by 801 as i just find those two the most visually appealing and with the right amount of patina for my tastes. Marc
"Another Rotomatic Incabloc with the triangle, below the number 1000. Nr 6xx: " But the bezel style is clearly later. I noticed this on Luc's 528 already. The early bezel used a different typeface. Cheers Jose ...