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Speedmaster Steel Chronograph Watch 329.32.44.51.01.001欧米茄掌握了丰富且专业的陶瓷运用技术，这一技术的运用已有十多年。陶瓷源于希腊语“keramos”（意为陶器），是一种通过高温烧制而成的无机非金属物质。这一材质可以用于制造机械性能特殊的高密度腕表部件。陶瓷是

Omega Speedmaster Sapphire Sandwich 310.30.42.50.01.002To make sure the integrity of our timepieces at depth, not just some but all watches are thoroughly immersed in drinking water and pressure is used around the point on the guaranteed h2o resistance. By submerging Every single view in h2o We now have chosen �?another time - to exceed standard