Prospex HBF001J1 1968 Heritage Diver's Watch ROUND It’s water-resistant up to 100

It’s water-resistant up to 100 meters and built to handle magnetic fields

it’s ready for whatever your day throws at you

making it tough enough for daily wear

and calendar-linked time difference adjustment

and quietly confident—this is a watch that lets its subtle charm do the talking

Prospex HBF001J1 1968 Heritage Diver's Watch ROUND It’s water-resistant up to 100A true flagship in the Prospex line, the Seiko Prospex HBF001J1 is built for serious diving, combining the iconic 1968 heritage design with modern engineering, featuring a robust 42. 6mm stainless steel case, ceramic bezel, 300m water resistance, and a high grade Caliber 8L45 automatic movement with a 72 hour power reserve for reliable performance in extreme conditions.