Omega Constellation 131.53.39.20.02.001

Model #: 131.53.39.20.02.001 Omega Constellation Co-Axial Master Chronometer 39mm Mens Watch

18kt sedna gold case Brushed bezel engraved with Roman numerals Silver silk embossed dial Index 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 # 13153392002001 Condition : New/Unworn Case Shape : Round Case Dimensions : 39mm Case Material : 18kt Rose Gold Dial Color : Silver Crystal : Anti-Reflective Scratch Resistant Sapphire Bezel : Fixed Screw-in Crown : No Water Resistance No ratingDoes not allow contact with water 30m/99ft - 50m/165ftAllows for contact with water such as washing hands and rain 50m/165ft - 100m/330ftAllows for light poolside swimming 100m/330ft - 200m/660ftAllows for swimming, snorkeling and showering (do not expose to hot water) 200m/660ft - 500m/1650ftAllows for impact water sports such as board diving and scuba diving 500m/1650ft +Appropriate for serious deep water diving. Learn more about Water Resistance. Close : 50m No rating : Does not allow contact with water 30m/99ft - 50m/165ft : Allows for contact with water such as washing hands and rain 50m/165ft - 100m/330ft : Allows for light poolside swimming 100m/330ft - 200m/660ft : Allows for swimming, snorkeling and showering (do not expose to hot water) 200m/660ft - 500m/1650ft : Allows for impact water sports such as board diving and scuba diving 500m/1650ft : Appropriate for serious deep water diving Case Back : Transparent Band Material : Alligator/Crocodile Leather Color/Finish : Brown Clasp : Push Button Folding Clasp 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