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Invicta Men's 4548 Subaqua Noma III Automatic Limited Edition Watch
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Features
DescriptionPrecise and attractive, the Invicta Men's Subaqua Noma III Automatic Limited Edition Watch takes time-keeping to the next level, and just three years after introducing the first Subaqua Noma. Internally, the watch is packed with Valjoux 7751 25-jewel mechanical movement. The Valjoux 7751 is a mechanical chronograph movement offering the indication of hours, minutes, seconds, moon phase, 24-hour, month, day and date complications. Additional features include a stopwatch (60 seconds, 30 minutes, 12 hours), unbreakable Nivaflex mainspring, Nivaflex hairspring, Glucydur balance, personalized oscillation weight, heavy metal ball bearing rotor, Incabloc shock-absorber, fine adjustment device, and a 48-hour power reserve. Externally, the watch is constructed of black, ion-plated stainless steel; the beveled unidirectional ratcheting bezel features raised polished chapters, three equidistantly spaced cylinders, and a Damier finish on the outer edge. Finally, cased in 23-karat rose gold stainless steel, the watch is as durable as it is mechanically stunning. The features all integrate seamlessly into the watch face, which is covered by a resilient sapphire crystal. The watchband, also made of 23-karat rose gold stainless steel closes with a fold-over clasp. With all these features, this modern time-keeping marvel will be making waves for years to come. Subaqua Collection Led with expert engineering, and always ready to face the depths, no feat or occasion will ever be too great for Invicta’s Subaqua to handle. The sheer magnitude of this mighty timepiece is superbly executed with surgical-grade solid stainless steel, Swiss automatic movements, and multiple color options of ionic plating. Managing up to 500 meters of water, finished off with a unidirectional rotating bezel, integrated shock resistance, and Invicta’s luminous Tritnite hands, the Subaqua is the diver’s definitive in negotiating any adventure by sea or by land. Screw Down Crowns: Many Invicta watches are equipped with a screw down crown to help prevent water infiltration. This is most common on our Diver models. In order to adjust the date and/or time on such a watch, you must first unscrew the crown before you can gently pull it out to its first or second click stop position. To do this, simply rotate the crown counterclockwise until it springs open. When you have finished setting the watch, the crown must then be pushed in and screwed back in tightly. Not doing so will cancel the water resistance of the watch and will void all warranties from the manufacturer. Overall, this process should not require a lot of effort or force. Automatic Watches 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).
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