Men's Omega Seamaster Chronograph, model 2594.52 featuring a black dial with luminous hands and markers, unidirectional rotating bezel, automatic movement, sapphire crystal resistant to scratches, date function at the 6 o'clock position, three sub-dials displaying seconds, minutes (30 sec), hours/minutes, water resistance up to 300 meters, stainless steel case and black leather strap with screw down crown, round shape, 41.5mm diameter.
Key features: Black Dial, Luminous Hands & Markers, Unidirectional Bezel, Automatic Movement, Sapphire Crystal (Scratch Resistant), Date Display at 6 o'clock, Chronograph Function (3 Sub-Dials: Seconds, Minutes/30sec, Hours/Minutes), Water Resistance 300m / 1000ft, Mens Watch, Stainless Steel Case, Black Leather Strap with Screw Down Clasp.
Item variations include models like 2594.52.00 and 2594-52 variants but this description focuses on the standard reference for a black dial version of the Omega Seamaster Automatic Diver Chronograph from 300M series.