Stuhrling Original 107el 111531 Stainless Automatic

Summary of Features

• Movement: Manual/self-winding mechanical movement

Automatic watches do not operate on batteries. Automatic watches are made up of about 130 or more parts that work together to tell time. Automatic movements mark the passage of time by a series of gear mechanisms, and are wound by the movement of your wrist as you wear it. The gear train then transmits the power to the escapement, which distributes the impulses, turning the balance wheel. The balance wheel is the time regulating organ of a mechanical watch, which vibrates on a spiral hairspring. Lengthening or shortening the balance spring makes the balance wheel go faster or slower to advance or retard the watch. The travel of the balance wheel from one extreme to the other and back again is called oscillation. Lastly, automatic movements come in different types, including movements that are Swiss-made, Japanese-made, and more.

Also referred to as self-winding, watches with automatic movements utilize kinetic energy, the swinging of your arm, to provide energy to an oscillating rotor to keep the watch ticking. They're considered more satisfying to watch collectors (horologists) because of the engineering artistry that goes into the hundreds of parts that make up the movement. If you do not wear an automatic watch consistently (for about 8 to 12 hours a day), you can keep the watch powered with a watch winder (a great gift for collectors).

• Crystal: Krysterna™ Crystals
• Case: 35mm 316L surgical grade stainless steel
• Crown: Stainless steel knurled edge crown
• Hands / Markers: Blue Luminova™ filled sword style hands with silvertone Arabic Numerals
• Strap: 18mm interchangeable genuine leather straps with stainless steel tang buckle

Diagrams of Features

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With dedication to the heritage of Swiss watchmaking, Stührling Original timepieces appeal to the most discriminating taste at reasonable prices. The company has roots dating back to the 1800's when Switzerland emerged as the global leader in watchmaking. Stührling Original remains committed to its mission of preserving the high standards set in Switzerland manufacturing all of their fine timepieces in their Swiss-owned factory! Each and every model conveys an inimitable story with extraordinary style. You'll find heirloom selections for both men and women that even the most astute watch collector will cherish and admire.

In the workshops of Stührling Original, the unit specializing in mechanical movements, component selection, assembly, lubrication, adjustment and testing creates horological wonders entirely under vigilant attention of Swiss ownership and supervision. It is these workshops that produce the mechanical engines that are famous for meeting the highest existing criteria in there category. Starting with the main plate, the assembly process is performed in several consecutive stages up until anchoring the balance spring, which sets the watch into motion. Assembling a Stührling Original mechanical automatic movement comprises no less than 30 checkpoints, spread throughout the assembly process. Adjusting the angle of lift of the pallets, centering the balance-spring, poising the balance are just a few examples of these checkpoints; of which all are designed to enhance the performance of each movement. The movement must meet no less than seven criteria, including a mean variation in rate which is the highest standard in the industry in its class.

Stührling Original cases are distinguished by their technical complexity, their high-end aesthetic appeal and the quality of their finish. The watch cases are made from antimagnetic 316L surgical grade stainless steel, an extremely sophisticated alloy designed to stand up to intensive use. The rough parts, known as "middlecases" are blanked from a metal bar using a high-performance press. They then undergo eight successive stamping operations of a strength increasing gradually from 20 to 85 tons. Before each swaging operation, the middlecase is refired at a temperature of 1100 degrees Celsius, so as to temporarily reduce the hardness to a total stamping pressure of more than 400 tons. Finishing the cases then calls for fifteen polishing operations, all performed by hand alternating with nine baths guaranteeing immaculate cleanliness. Other components of the cases, such as rotating bezels or rider tabs also require a meticulous finish. The components of the cases are finally assembled by hand and rigorously tested.

Each Stührling Original dial has been designed to enable optimal read-off at a glance, while adding an element of artistic design. Stührling Original's dials are blanked from a brass plate and two cylindrical feet are soldered below to ensure security with the movement. Polishing operations, creating special effects through the use of vintage hydraulic German machines, and electroplating are just some of the more than forty operations required to make most Stuhrling Original dials. The transparent protective coating is applied in an immaculately clean environment before the various inscriptions are transfer printed using a gelatin pad which takes an impression from an inked block. On many of the dials the hour markers are either individually applied by hand or embossed into the dial and then topped with a special dye. The application of Super Luminova is performed by artisans with a nozzle pen connected to a high-pressure pipe which calls for intense concentration. Once finished, each dial undergoes careful aesthetic scrutiny under extreme magnification, as well as technical testing, to ensure it complies with all predefined dimensions and specifications.

Through meticulous labor, rigorous testing and examination of each timepiece by expert horologists, the vision of the Stührling Original timepiece is brought to life inside our workshops, where...