Seamaster Diver 300M Co-Axial Master Chronometer 42mm

From the retailer listing

The Omega Seamaster carries decades of underwater heritage in a case built to handle whatever comes next. At 42 mm bronze, it presents a green dial that draws you in, driven by the 8806 movement, it carries 55 h of autonomy. Water-resistant to 300 m, with serious capability for serious diving. Luminescent hands and indices for low-light legibility. A titanium bracelet keeps the weight impressively low on the wrist. (Reference 210.90.42.20.10.001 / 21090422010001).