The Original Sideral was released back in 1969, as the world's first watch with a fiberglass case. Much appreciated by sports aficionados, a couple of years later the brand launched Sideral S with a striking yellow rubber strap and a progressive fastening system, a signature component of the series. Today, referencing innovation and features from the parent piece, the new Sideral has a forged carbon case that pays ode to trailblazing hardiness of the earlier fiberglass pieces.
The latest 41mm timepiece has a forged carbon and stainless-steel case featuring black PVD, and a unidirectional diving bezel. The dial features a regatta countdown in green and red between 12 and 2 o’clock, hour and minute baton hands, numeral minute markers outside a coloured ring (different in colour in all three models), and a date window at 3 o’clock. Perforated coloured rubber straps with a distinctive fastening system flank the case. While the timepiece is powered by the automatic self-winding Powermatic 80 Nivachron movement boasting the 80 hour power-reserve, it boasts a new Tissot skeletonized rotor. The timepiece is water resistant up to 300 m.
Technologically advanced, the Tissot Original Sideral was ahead of its time, because of its one-piece Swedish fiberglass case and steel. Fiberglass, used in aeronautics, made the timepiece four times lighter, immune to scratches and heat, and unalterable. The automatic watch was made shock-proof with great precision. Further, its colorful variations were also introduced which were designed with simple lines.
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With the new model, iterations in three different hues have been introduced: The Ref. T145_407_97_057_00 with yellow coloured inner ring and perforated strap, Ref. T145_407_97_057_01 with blue coloured ring and perforated strap, and Ref. T145_407_97_057_02 with gray hued ring and red perforated strap. Further extending the options, the brand also offers straps in black, orange, and green.