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Close 50m Case Back Transparent Band Material Alligator/Crocodile Leather Color/Finish Brown Clasp Push Button Deployant Buckle Lug Width 24.2mm Movement Automatic – Chronometer 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 COSC Certified Yes

• 18kt yellow gold & stainless steel case
• Brushed bezel engraved with Roman numerals
• Champagne dial
• 12 diamond hour markers
• Displays Date at 6 o’clock
• Omega Caliber 8800, beats at 25’200 vph, contains 39 Jewels & has an approximate power reserve of 55 hours.

Alternate model # 13123392058001

Mens Omega 131.23.39.20.58.001 Constellation Co-Axial Master Chronometer 39mm Watch