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This is a generic butterfly buckle (deployant clasp) for Hublot Big Bang series straps, made of high-quality stainless steel and available in four colors (black, silver, gold, rose gold) and four sizes (18mm, 20mm, 22mm, 24mm). The butterfly clasp opens via dual side buttons, offering comfortable wear and easy operation, serving as a direct replacement for a worn or damaged original buckle.
Material & Finish: High-quality stainless steel with polished or PVD coating (black, gold, rose gold) – corrosion and wear resistant.
Size Options: Available in 18mm, 20mm, 22mm, and 24mm strap widths, fitting original Hublot Big Bang straps or aftermarket replacements.
Color Options: Black, silver (natural steel), gold, and rose gold to match different case finishes or strap stitching.
Design: Butterfly/deployant clasp with dual side push‑buttons – opens with button press, locks automatically when closed. More convenient than pin buckles and reduces strap wear.
Adjustability: Some versions feature micro‑adjustment holes on the clasp arms for fine length tuning.
Q1: How do I determine the correct size?
A: Measure the width of the strap where it attaches to the watch case (lug width), or measure the strap end. Hublot Big Bang straps are commonly 22mm or 24mm. If unsure, provide your watch model to the seller.
Q2: Can this butterfly buckle be used with rubber straps?
A: Yes, as long as the rubber strap has a flat end with standard spring bar holes. However, rubber straps thicker than 4mm may not fit into the buckle’s folding arms.
Q3: Will the black and rose gold finishes fade or discolor?
A: PVD coating typically lasts 2–3 years with normal wear, but friction (against desks, cuffs) and sweat will accelerate wear. Wipe after wearing and avoid hard contact. Silver is raw stainless steel and will not fade.
Q4: The buckle is loose at the strap connection after installation – what can I do?
A: The spring bar may be too thin. Try a thicker spring bar (e.g., 1.8mm). As a temporary fix, apply a tiny amount of clear nail polish inside the strap hole to increase friction.
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