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This is a generic replacement buckle designed for the Longines HydroConquest series, compatible with 21mm lug width straps or bracelets. Featuring a double safety folding clasp design with push-button release, this buckle provides secure closure and easy operation for dive-style watches .
The 21mm size matches the standard lug width of modern 41mm HydroConquest models , making it an ideal aftermarket replacement when the original buckle becomes worn or damaged.
Double Safety Folding Clasp – Dual locking mechanism prevents accidental opening.
Push-Button Release – Easy to open by pressing both side buttons.
21mm Standard Width – Perfectly fits 41mm HydroConquest case lug spacing.
Stainless Steel – Durable and corrosion-resistant for dive watch use.
Generic Aftermarket – Non-original but matches OEM dimensions and function for direct replacement.
| Parameter | Details |
|---|---|
| Compatible Model | Longines HydroConquest series (41mm models) |
| Type | Generic aftermarket |
| Buckle Width | 21 mm |
| Clasp Type | Double safety folding clasp with push-button release |
| Material | Stainless steel |
| Compatible Straps | 21mm rubber straps, leather straps, or bracelets |
Longines HydroConquest 41mm (e.g., L3.781, L3.782 references)
Other Longines dive or sport watches with 21mm lug width (verify original size)
Replacement of worn, corroded, deformed, or lost original buckles
1. Is this a genuine Longines buckle?
No. It is a generic aftermarket replacement, not original, but matches the HydroConquest dimensions and design.
2. Which specific models does it fit?
It fits modern 41mm HydroConquest models with 21mm lug width (e.g., L3.781). Older or other sizes (39mm, 43mm) may have different lug widths – measure your original.
3. What tools are needed for installation?
A spring bar tool or small screwdriver is typically sufficient. The buckle attaches to the strap using spring bars.
4. Will the buckle rust?
Stainless steel offers good corrosion resistance. Rinse with fresh water and dry after exposure to seawater or heavy sweat.
5. How does the double safety clasp work?
Press both side buttons to open after flipping the cover. To close, simply press the cover down until it clicks – double locks secure it.
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