Longines HydroConquest reference L3.642.4 from the 2010s, a stainless-steel automatic diver's watch with a black dial and black unidirectional rotating bezel. The watch is powered by the ETA 2824-2 automatic movement (Longines calibre L633.5, 25 jewels). - Movement: Automatic, ETA 2824-2 (Longines calibre L633.5), 25 jewels - Case: Stainless steel, 41.5 mm excluding crown - Crystal: Sapphire - Bezel: Unidirectional rotating, black, with luminous pip and engraved minute scale - Dial: Black, applied luminous indices and Arabic numerals at 12, 6 and 9 - Hands: Luminous dauphine-style hour and minute hands, red-tipped seconds hand - Date: Window at 3 o'clock - Water resistance: Rated 300 m / 1000 ft when new; current water resistance has not been pressure-tested - Bracelet: Stainless-steel link bracelet with fold-over clasp and diver's extension, approx. 14.5 cm closed length, suitable for a wrist of approximately 19.5 cm - Crown: Screw-down, signed Longines - Caseback: Screw-down, engraved "HYDRO CONQUEST" - Period: 2010s The watch and movement are functioning correctly. No defects have been noted. Scope of delivery: Watch, original Longines box, instruction manual (Instructions for Use / Mode d'emploi), and 2 additional bracelet links in original packaging. Shipped fully insured, tracked, and signature-required worldwide.