Ironically, the gears switched back to contemporary modern aesthetics and the zenith replica found itself paying homage to the sleek and subtle appeal a la 1975. In 2016, GP revived the time-only full-steel bracelet with its classic hobnail dial. It ran on a GP caliber 3300-0030, and was a sizeable piece at 41mm, with a classic blue or silver dial and clad in a mix of polished and unpolished steel.

High complications are back in vogue, though these days the trend seems disposed towards "less is more" where aesthetics are concerned. The new zenith replica Tourbillon comes in a size of 45mm,replica wathces with most of its hobnail dial intact, save for an openworked tourbillon at 6 o'clock. Housed in a titanium case, a single hand-finished bridge mounts the tourbillon to the dial, powered by an automatic micro-rotor movement, caliber GP09510.

The tourbillon is also elevated in a skeletonised version - the Flying Tourbillon Skeleton. The movement within is the skeletonized self-winding GP009520-0001, with a power reserve of 50 hours. The anthracite dial is masterfully handcrafted, providing high contrast for the white or pink gold hands.

zenith replica has also been innovative with material use, constructing the zenith replica in ceramic. Unveiled at this year's SIHH, sharing the limelight with the stunning zenith replica Flying Tourbillon Skeleton were 42mm and 38mm ceramic models in black and white ceramic, with the latter adorned in a diamond-set bezel. While all the versions had black or white rubber straps to match, the real feat in tackling a material like ceramic was to create one in its entirety,breitling replica watches and GP offers the same style with domed interlinks.

The changes that the zenith replica line underwent were necessary in building the foundation for its identity even 40 years on. In fact, the brand likens its structural integrity to that of architecture: "Solids and voids. Lines and curves." Clearly, the lasting appeal of the line was not formed overnight, but one that is a result of the brand's commitment to constant innovation and change, so that each new creation is a timepiece that can stand the test of time.