The Swiss watch manufacturer Omega is distinguished by the production of high-quality watches in the higher price segment. The company was founded in 1848 and employs about 2000 people in 2014. Today Omega is part of the Swatch Group. Omega's most successful models are Seamaster, Speedmaster, De Ville and Constellation. The high-quality wristwatch Seamaster Aqua Terra is powered by the Omega Master Chronometer caliber 8800 (e.g. reference 188.8.131.52.03.001). This is certified by the Swiss Federal Institute of Meteorology (METAS) and meets the highest standards in the industry. The movement is equipped with Co-Axial escapement and automatic winding and is insensitive to magnetic fields of up to 15,000 Gauss. This eliminates the need for an additional soft iron inner cage.This made it possible to make the case back transparent so that the movement is visible. The free balance spring is made of silicon with automatic winding on both sides. The power reserve of the chronometer is 55 hours. The watch glass is made of scratch-resistant, curved, anti-reflective sapphire glass on both sides. The Omega Seamaster Aqua Terra 150 M Co-Axial Master Chronometer is waterproof to a depth of 150 metres/ 500 feet. This corresponds to a water pressure of 15 bar. The watch is available in different models. The colours of the dial, the case and the bracelet are available in different colours. The indices on the dial are also available in two versions.