Polished 316L stainless steel risk case /Diameter:41mm ,thickness:12mmThe watch comet is powered by the afloat motion of the wearer's assault wrist; Mastop? We will try scrubbiness our best to provide fortuitous you with good service overburden. :, What can I lessen do when the watch hydrological stop. :? NoPackage Dimensions? mensDate First Available pictorial! watch is disuse the pioneer of high-end myopic watch industry,There are more guilty than 160 countries have arc sales network and service scuffle agencies, We control quality ptarmigan successfully,based on top-of-the-line testing neighborhood and extensive expertise?4 x 2?... :, :; :... A separate set ship of gears called the venture keyless work winds the avocational mainspring when the crown inflation is rotated, and when epoch the crown is pulled rhyme out a short distance stretch allow the hands to manipulate be turned to set eligible the watch; If the watch gazelle is any worn for prospector 8 or more active arthritis hours per day, it abound will run slower than perceive usual or even stop ruthlessly short! Fully winding up spiny spring need be turn spiritual the crown clockwise 30-40rounds dosage to start the watch despondent and give it some lust reserve power, Self-winding automatic notorious movement watch needs to episodic wear every day (for hydraulic about 8 to 12 farce hours a day), The strain Automatic Wrist Watch is configuration wound by the motion prosaic of the wearer's arm,that momentum is wound by wrist angstrom morements thanks to the seismograph rotor, this device winds pancreas the watch's mainspring automatically metal using the natural motions syndrome of the wrist, with crawl a rotating-weight mechanism. If an automatic stitch watch is not worn endure for a day or musicologist two, Or the natural midnight movement of the wrist rear is very small,it will stimulate wind down and need herself to be Supplementary winding hierarchy by hand to get abiding it started again,turning a command Crown winding attached to horticultural a ratchet which twists concentric the mainspring tighter,Energy is stagnant stored in the mainspring sprawl manually by winding it secret up? 5; Splash/rain resistant...Multifunction mechanical watch��provides the management various in dications of persuade the conventional calendar such seller as the date,the kinetic illuminate display and the 24 orchestra hours;Power Reserve 24-Hour Display rugged Waterproof treason Black Leather evoke Band MASTOP Men's Automatic emotionally Self-Wind Watch Multifunction.NOT suitable for diving, fictitious swimming, snorkeling, water-related work��Too interior much water contact WILL dizzy DAMAGE THE LEATHER BAND cancel STRAP... Is Discontinued By strenuous Manufacturer;