LONGINES Legend Diver is a 39 mm automatic dive watch that combines a lacquered blue dial with robust diving features. It is built for reliable underwater performance and refined everyday wear. Key attributes: Blue | Steel | Stainless steel | Water resistant to 30 bar | Scratch-resistant sapphire crystal | Automatic movement with 72-hour power reserve | Chronometer (COSC) certified | Antimagnetic | Internal rotating diving bezel | Screw-down crown | Double-security folding clasp with micro-adjustment | Stainless steel bracelet | Blue lacquered polished dial | Round case | Two crowns | Arabic numerals and index hour markers | Swiss Super-LumiNova hands and markers | Dimensions & fit: Case diameter: 39.00 mm | Case thickness: 12.70 mm | Lug width: 20 mm | Lug-to-lug: 47.00 mm | Weight: 140.4 g | Composition & care: Stainless steel | Sapphire crystal | Lacquered dial | Wipe with a soft cloth and avoid strong shocks or extreme temperatures. Rinse with fresh water after saltwater exposure and avoid prolonged contact with strong magnetic fields. Have the watch serviced by an authorized service center as recommended.