Omega 224.30.55.21.01.001 Seamaster PloProf 1200M, 22430552101001, stainless steel on a stainless steel bracelet, certified chronometer, automatic, date between 4 and 5 O'clock, centered sweep second hand, black dial with luminous hands and hour indicators, in house Caliber 8500 movement, 60 hour power reserve, sapphire crystal, water resistant to 1200m/4000ft, diameter: 50mm x48mm, thickness: 16.6 mm, Near mint with box and papers and Omega service completed in 2018