Omega 215.32.46.51.01.004
Omega Seamaster Planet Ocean 600m 45.5 Mm 215.32.46.51.004, diameter 45.5mm, stainless steel case, gray dial, luminous scale hands, dual small dial chronograph function, with calendar display, gray ceramic one-way rotating chronograph bezel, matched with gray sports strap, folding clasp, equipped with 9900 automatic movement.