Omega Seamaster Aqua Terra Co-Axial Chronometer 2500 Steel Mens Watch - Jacob Loves Watches
Omega Aqua Terra Seamaster | Omega Cal. 2500 – The widely recognized, an ETA 2892-A2 derivative that is supplied with a co-axial escapement and a free sprung balance wheel. This Co-Axial design means that because there are two wheels working in conjunction with added jewels to release the torque from the main-spring. This results in less friction in the escapement, meaning longer periods between servicing.