Collection: Seamaster Professional / Diver 300M.
Design: Features a distinctive white dial with a "wave" pattern, a black unidirectional rotating bezel, and a multi-link stainless steel bracelet.
Movement: Authentically, these models often house an automatic Master Chronometer movement, though many similar-looking market listings for this specific layout indicate a quartz movement in homage or replica versions.
Functionality: Includes a date window () and chronograph sub-dials