Seiko - Professional Diver 600m - 7C46-6010 seiko marking it as a solid

marking it as a solid

as confirmed by the serial number 562483

a movement designed by none other than Max Hetzel

with sharp

Seiko - Professional Diver 600m - 7C46-6010 seiko marking it as a solidThis timepiece is a masterpiece of technical engineering built for saturation diving not just a watch, but a highly specialized tool used by professionals. The Seiko Professional Diver 600m, reference 7C46 6010, is entirely made of Titanium, making it significantly lighter and more corrosion resistant than stainless steel equivalents. It is nicknamed the "Ashtray" due to the unique, rounded, notched design of its unidirectional bezel, which resembles