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Close 50m/150ft Case Back Transparent Band Material Alligator/Crocodile Leather Color/Finish Black Clasp Push Button Folding Clasp Movement Automatic An automatic/self-winding movement is powered by a thin spiral torsion spring, called the mainspring, which is housed in an enclosed barrel inside the movement. The energy produced from the wound spring drives the movement functions. An automatic watch has a weighted rotor mounted on a pivot to the back of the movement, and the rotor is connect to the mainspring through a series of gears. The natural motion of the wearers wrist will cause the rotor to spin, which in turn will automatically wind the mainspring. Please note: An automatic winding watch which has completely wound-down or is at the end of its power reserve requires manual winding. Manually winding an automatic watch ensures that the watch is at full power-reserve when first worn, and as long as the watch is in motion thereafter it will remain fully wound, ensuring that when the watch is removed it will run the specificed power-reserve duration. Close Complications Chronograph, Skeleton

• Polished black ceramiccasewithbrushed finished top & bottom center links between the lugs.
• Black ceramicbezel with a brushed finished top & polished finished beveled edge, secured with 6 polished “H” style titanium screws.
• Polished black ceramic crown engravedwith the Hublot logo.
• Blackcomposite resin”bezel lug” sandwiched between the bezel & case.
• Dial:
• Transparent sapphire crystal main dial.
• Appliedpolished finished index hour markers.
• Black dial flange on the dial perimeter withfine printed minute/seconds track.
• Polished finishedhands.
• Calendar functions:
• Day & month windows located beneath the 12 o’clock position: Day & month discs with black printed skeletonized date numbers, white background located at thedisplay windowstohighlight the current date.
• Date displayed on the perimeter of the sub-dial at the 6 o’clock position,
• Moonphase display sub-dial at the 6 o’clock position.
• Movement:
• Hublot Caliber HUB1131, beats at 28,800 vph, composed out of 134 parts, contains 25 Jewels & has an approximate power reserve of 42 hours.
• Fitted with a Hublot design, open-worked, tungsten rotor.
• Microblasted rhodium plated face plate.
• Microblasted black plated bridges, visible from the dial side.

Alternate model # 517cx0170lr

Mens Hublot 517.cx.0170.lr Classic Fusion Aerofusion Moonphase 45mm Watch