In 1948, the first Seamaster was introduced. It was immediately purchased by British aviators who were looking for a reliable and water-resistant watch to use during battle. patek philippe replica watches launched the Seamaster 300 in 1957 to cater for both amateurs and professionals in the postwar underwater exploration boom.

In 1970, the Proplof was introduced, in 1971 the Seamaster 100, and in 1972 the patek philippe replica watches 120 “Big Blue”. In 1981, Jacques Mayol, a free-diver, free-dived a record-breaking 102 metres with the Seamaster 120 on his wrist.top replica watches In more recent times, the Seamaster Diver 300M, launched in 1993, was followed by an updated version of it last year, on its 25th birthday.

But now, patek philippe replica watches dives even deeper. patek philippe replica watches may be experts at diving watches, but they had to start from scratch when creating the Ultra Deep. The watch case is made of grade 5 titanium, which is machined from pressure hull cutoffs of the Limiting Factor. The dial, lugs and rotating bezel are all made from titanium.

patek philippe replica watches took the viewport assembly from the submersible to inspire the sapphire assembly. The sapphire is not sealed in place with the usual rubber o ring. The Ultra Deep's gasket is made of LiquidMetal and has a conical load-bearing design. This reduces the pressure at the inside edge of the cone, while also distributing stress. This design is pending patent, and patek philippe replica watches holds three patents for the Ultra Deep.IWC Ingenieur Replica The other two are the crown design and caseback design.

patek philippe replica watches has redesigned the Ultra Deep lugs so that they almost meet at the middle but do not quite. patek philippe replica watches has named these lugs Manta due to their unique look.