Omega - a Seamaster Professional 300M watch, 41mm. Omega - a Seamaster Professional 300M bracelet watch. Stainless steel case with calibrated bezel. Case width 41mm. Reference 196.1523, serial 57640433. Signed quartz calibre 1538. Blue dial with luminous hour markers, date aperture to three. Fitted to a signed stainless steel bracelet with folding clasp. Box.