Longines Conquest L3.676.4.58.6 39mm – Swiss automatic dive-sport watch with 300-meter water resistance and stainless steel bracelet.
Swiss precision meets everyday versatility in this timepiece, where the Conquest balances sporty capability with refined execution through clean lines and professional-grade water resistance. Longines caliber L633 automatic delivers self-winding convenience with 38-hour power reserve, while the black dial provides high-contrast legibility through luminous hands and mixed Arabic-index markers. At 39mm diameter with 11.5mm thickness, the proportions ensure comfortable all-day wear across varied settings from office to ocean.
| Benefits |
| 300-meter water resistance enables serious diving, swimming, and water sports without compromising movement integrity |
| Swiss automatic movement eliminates battery replacement through wrist-powered operation and mechanical precision |
| Screw-down crown reinforces seal protection against moisture and dust intrusion at depth |
| Key features |
| Longines caliber L633 based on ETA 2824-2 with 38-hour power reserve and 28,800 vph frequency |
| Luminous hands and markers ensure readability in low-light conditions and underwater environments |
| Sapphire crystal provides superior scratch resistance to maintain clarity through years of wear |
| Date window at 3 o'clock maintains calendar functionality without disrupting dial balance |
| Who it's for |
| Individuals seeking Swiss dive-sport watch with authentic water resistance and refined everyday aesthetics |
| Those who value mechanical timekeeping in versatile proportions suitable for professional and active wear |
| How to wear |
| Wind crown 20 to 30 turns to initiate movement when unworn for extended periods |
| Allow daily wrist motion to maintain automatic winding through rotor oscillation |
| Ensure screw-down crown is fully secured before water exposure to maintain 300-meter rating |
| Specs |
| Movement |
Swiss automatic Longines caliber L633, ETA 2824-2 base, 38-hour power reserve, 28,800 vph |
| Case |
39mm diameter, 11.5mm thickness, stainless steel, round profile, solid caseback, screw-down crown |
| Crystal |
Scratch-resistant sapphire |
| Bracelet |
Stainless steel brushed and polished, 19mm lug width, push-button folding clasp |
| Dial |
Black with luminous hands and mixed Arabic-index markers, date display at 3 o'clock |
| Water resistance |
300 meters, 30 ATM |
| Model |
L3.676.4.58.6 |
| UPC |
703200179469 |
