The Breitling Automatic Tachymeter, a name synonymous with precision and aviation heritage, represents a significant chapter in the brand's illustrious history. This article delves into the intricacies of this iconic timepiece, exploring its functionality, history, variations, and the enduring appeal that continues to captivate watch enthusiasts worldwide. We'll also address frequently asked questions surrounding Breitling tachymeters, including pricing, usage, and the significance of its unique features.
The Breitling Automatic Tachymeter, often found within the Navitimer family (though not exclusively), is distinguished by its prominent tachymeter bezel. This rotating bezel, featuring a graduated scale, allows the wearer to calculate speed based on elapsed time. This feature, crucial for pilots in the early days of aviation, remains a key element of the watch's design and functionality. The mention of "interchangeable 15 and 45 rider tabs" refers to a specific feature found on certain models within the Breitling Navitimer line, allowing for adjustments to the slide rule functionality for different units of measurement. This flexibility underscores the watch's versatility, perfectly suited for both flight calculations and other applications requiring precise timing.
Understanding the Breitling Tachymeter Scale:
The tachymeter scale, a defining characteristic of the Breitling Automatic Tachymeter, is a crucial component enabling speed calculations. It's a circular scale typically found on the bezel, although it can also appear on the dial in some models. The scale is calibrated to measure speed over a distance of one kilometer or one mile, depending on the specific watch.
To use the tachymeter, start the chronograph function when an object passes a fixed point. Stop the chronograph when the object reaches a second fixed point one kilometer (or mile) away. The tachymeter scale will then indicate the average speed traveled during that time. For example, if the chronograph hand stops at the "100" mark on the tachymeter scale, it indicates an average speed of 100 kilometers per hour (or miles per hour, depending on the calibration). This simple yet effective mechanism made the Breitling tachymeter invaluable to pilots and racing enthusiasts alike.
Breitling Tachymeter Testing and Accuracy:
The accuracy of a Breitling tachymeter, like any chronograph, depends on the precision of the movement. Breitling employs rigorous testing procedures to ensure the accuracy and reliability of its timepieces. These tests assess various aspects, including the accuracy of the timekeeping, the chronograph function, and the overall durability of the watch. While the tachymeter scale itself is a fixed calculation, the accuracy of the speed measurement relies entirely on the accurate measurement of time by the watch's movement. Regular servicing and maintenance are crucial to maintaining the accuracy and longevity of the Breitling Automatic Tachymeter.
Breitling Tachymeter Price and Variations:
The price of a Breitling tachymeter varies significantly depending on the model, materials, complications, and condition. Pre-owned models, particularly vintage pieces, can command substantial prices due to their collectability and historical significance. Determining a precise price range for a "Breitling tachymeter" is challenging due to the broad range of models. However, we can address specific model categories:
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