Fifty years after its successful debut by Professor Ferdinand Alexander Porsche in 1975, the uncoated Chronograph 1 model family is finally making a comeback. The first model in the new family: the Chronograph 1 – 1975 Limited Edition. A strictly limited edition featuring the same uncompromising design as the 1975 original, now handcrafted from durable, glass-bead-blasted titanium. The first chronograph in our new model family and the last chronograph to be handcrafted by master watchmakers at Porsche’s own manufactory in Solothurn, Switzerland—before the move to Grenchen. 7-layer anti-reflective sapphire crystal with hard coating for optimal readability Case and bracelet made of glass-bead-blasted, uncoated titanium Solid case back featuring the historic Porsche Design icon and the year 1975 Limited edition: 262 of 350 pieces worldwide Matte black dial, historic pd icon, and Super-LumiNova-coated hands and hour markers Porsche Design Caliber 01.240 with COSC-certified precision and flyback function for measuring consecutive times. Distinctive, rectangular minute hand with a tip for even more precise readings Water-resistant to 10 bar: The dynamic water resistance ensures that the watch is reliably protected against water ingress even when the crown is pulled out Item number: WAP0710310T075