Invicta Men's 7048 Signature Collection Pro Diver Automatic Watch

Designed for serious divers, the Invicta Men's Signature Collection Pro Diver Automatic Watch featuresluminous hour markers and a unidirectional bezel to help you keep track of your underwaterexplorations. Constructed with a stainless steel case, the watch includes a stainless steel linkwristband that's secured with a fold-over safety clasp. A scratch-resistant sapphire window shields thegray dial, which features bold, luminous hour markers, slim minute indexes, and Arabic numerals infive-minute increments. The dial also includes a day-and-date calendar at the three o'clock position.Featuring Japanese-automatic movement, this sporty timepiece is water resistant to 660 feet (200 m).Screw Down Crowns: Many Invicta watches are equipped with a screw down crown to help preventwater infiltration. This is most common on our Diver models. In order to adjust the date and/or time onsuch a watch, you must first unscrew the crown before you can gently pull it out to its first or secondclick stop position. To do this, simply rotate the crown counterclockwise until it springs open. When youhave finished setting the watch, the crown must then be pushed in and screwed back in tightly. Notdoing so will cancel the water resistance of the watch and will void all warranties from themanufacturer. 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 moreparts that work together to tell time. Automatic movements mark the passage of time by a series ofgear mechanisms, and are wound by the movement of your wrist as you wear it. The gear train thentransmits the power to the escapement, which distributes the impulses, turning the balance wheel. Thebalance wheel is the time regulating organ of a mechanical watch, which vibrates on a spiralhairspring. Lengthening or shortening the balance spring makes the balance wheel go faster or slowerto advance or retard the watch. The travel of the balance wheel from one extreme to the other andback again is called oscillation. Lastly, automatic movements come in different types, includingmovements that are Swiss-made, Japanese-made, and more.

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

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