Longines HydroConquest L3.782.3.78.7 43mm – stainless steel automatic watch
A contemporary dive watch balancing Swiss heritage with robust performance, this HydroConquest pairs a honeycomb-pattern gray dial with a gold PVD unidirectional bezel, delivering 300 meters of water resistance and an extended 72-hour power reserve within a refined yet durable stainless steel package.
| Benefits |
| 72-hour power reserve allows the watch to run through a long weekend without winding. |
| 300-meter water resistance and screw-down crown ensure genuine dive-watch capability. |
| Silicon hairspring resists magnetic fields and enhances precision in modern environments. |
| Key features |
| Gray sunray dial with honeycomb texture adds depth and visual interest under changing light. |
| Gold PVD-coated unidirectional rotating bezel contrasts with the stainless steel case for elevated aesthetics. |
| Super-LumiNova hands and hour markers ensure legibility in low-light or underwater conditions. |
| Who it's for |
| Dive enthusiasts seeking a Swiss automatic with genuine water resistance and refined finishing. |
| Active professionals wanting a versatile sport watch that transitions from pool deck to boardroom. |
| How to use/wear |
| Screw down the crown fully before submersion; rotate the bezel counterclockwise to align with the minute hand before timed dives. |
| Wear daily to keep the automatic movement wound, or manually wind if left stationary. |
| Specs |
| 43 mm round stainless steel case, 13 mm thick. |
| Longines Caliber L888.5 automatic movement with silicon balance spring, 72-hour power reserve, 21 jewels. |
| Gray honeycomb sunray dial with date at 3 o'clock and Super-LumiNova markers. |
| Sapphire crystal with multi-layer anti-reflective coating. |
| Stainless steel bracelet with folding safety clasp and push-button deployment. |
| Water resistance rated to 300 meters (30 bar). |
| Model |
L3.782.3.78.7 |
