However, today these timepieces are available with a variety of dials, bezels, bands, and sizes. As a result, this allowed clear functionality for measuring shorter time intervals and labeled the “Tool Watch.” Beginning in 1959, Rolex issued the Oyster Perpetual No Date in size 36mm and featured a plastic crystal and a 26 jewels movement. So far, this was the first model with a rotating bezel that had a 60-minute scale and luminous triangular zero marker set on the tip of the minute hand. Subsequently, in the 1950’s Rolex produced an Oyster perpetual movement with a rotating bezel and called it “Turn-O-Graph” Ref. Also, there is record that Rolex initially advertised these Oyster Perpetuals as “the watch sensation of 1934.” These early models always had very simple dials and made with a stainless steel material called “Steelium.” Rolex offered these early watches with steel, a gold bezel, and winder. Because of the thickness, Rolex gave it the nickname “Bubbleback.” In Italian, this was referred to as the “Ovetto,” or little egg. There was, however, a slight disadvantage to the design because of its additional thickness. The wearer, however, could still wind the watch using the crown, if needed. Rolex took advantage of this benefit by advertising with a slogan: Rolex the silent self winder. Additionally, this new Rolex perpetual movement was much quieter than other competing automatics. Equally important, this provided the watch with a stable, constant source of energy. Because the rotor never hit against anything or have any sudden stops, this removed the possibility of breaking the winding mainspring. In fact, this rotor was able to swing unobstructed through a full rotation. As a result, they called it “Perpetual,” because this movement would perpetually wind itself. This weight moved as the wearer moved his arm and wrist, constantly winding the mechanism. Generally, this watch contained one of the first Rolex perpetual movements through the means of a rotor weight.
The Launchĭuring 1931, Rolex patented and launched the first watertight, automatic wristwatch: The Rolex Oyster Perpetual. Over the next 20 years, Rolex would continue to produce this model with a variety of materials, dials, and references. In addition, this Rolex perpetual movement was identified with the “Bubbleback” model. Of course, the solution attracted the attention of watch buyers worldwide.
Finally, Rolex had found the solution that watchmakers had been searching for centuries. The Rolex Oyster Perpetual was the first water resistant, self-winding watch. Rolex Perpetual Movement Story Rolex Perpetual Movement: The Beginning
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