Rolex Sea-Dweller Automatic Chronometer Black Dial Mens Watch 126603

A men's analog Rolex Sea-Dweller watch with model number 126603. Features an automatic chronometer movement (calibre 3235) equipped for a 70-hour power reserve, comes in a stainless steel case accented by oystersteel and featuring yellow gold center links on the bracelet. The bezel is unidirectional rotating and constructed of yellow gold filled with black cerachrom material ensuring durability against scratches and corrosion at depth levels up to 4000 feet (1220 meters). The black dial includes luminous yellow gold-tone hands and hour markers, complemented by minute markers around the outer bezel. A date function is displayed through a small aperture positioned at the 3 o'clock mark. The caseback is solid, and the timepiece has a classic round shape measuring 43 mm in diameter. It secures with an 18-claw fold over clasp that includes a safety release mechanism to prevent accidental opening underwater. Key characteristics include analog display functions (hour, minute, second), luminous elements for enhanced legibility in low light conditions thanks to the Chromalight technology inherited from its predecessor model despite not being explicitly stated here. Swiss Made label signifies origin and quality.