Seamaster Planet Ocean 600M | 45.5 mm | AutomaticThe perfect watch for global travellers, this 45. 50 mm Worldtimer features a brushed case and bezel in black ceramic, with a laser ablated diving scale that is polished in positive relief. At the centre of the dial, OMEGA has produced a vision of the Earth on a grade 5 titanium surface. Seen from above the North Pole, this topographic map is created using laser ablation and turquoise varnish. It is circled by a 24 hour indicator, divided into night