Aftermarket Leather Band for Hublot Big Bang Series – 25x17mm

Description

Not all Big Bang references share the same lug. The 25x17mm taper is the specification that defines a specific subset of the Big Bang family — and a strap that fits the 25x19mm variants won’t seat correctly here. The Hublot Big Bang Genuine Leather & Rubber Band is built to that 25x17mm geometry precisely: genuine leather on the surface for refinement and character, silicone rubber for structure and comfort, and an exact taper that meets the case the way only a correctly specified strap can. Lightweight enough to disappear on the wrist, well-made enough to be the last band you need to buy for this watch.

Precise Taper. Genuine Leather. Silicone Comfort.

• Genuine leather over silicone rubber — refined on the outside, performance-ready beneath — the genuine leather surface carries the natural grain, depth of colour, and progressive character that make a leather band worth owning; the silicone rubber core provides the flexibility, moisture resistance, and lightweight feel that keep it comfortable across a full day of active, all-day wear without the rigidity or maintenance demands of a pure leather strap.
• Exact 25x17mm taper — the fit that makes this band specific — at 25mm at the case narrowing to 17mm at the buckle end, this band is built for the Big Bang references that use this taper exclusively. It’s not an adaptation from a wider blank; it’s constructed to this geometry from the outset, seating flush at the lug with no gap and tapering proportionally to close cleanly at the folding buckle.
• 110mm + 85mm length — the 85mm short section provides a generous adjustment range, accommodating a broad span of wrist sizes and ensuring the buckle lands correctly regardless of whether the wrist is on the slimmer or broader end of the typical range.
• Folding buckle closure — appropriate for a band at this level of construction: it opens single-handed, closes securely, and lies flat against the wrist without adding bulk at the underside — keeping the overall profile of the band as lightweight and unobtrusive as possible.
• Lightweight construction for all-day wear — the silicone core removes a meaningful amount of weight compared to a solid leather strap, which compounds across long days on the wrist. The result is a band that the wrist stops registering within minutes — present enough to be noticed, light enough to be forgotten.

For the Big Bang Reference That Wears a 25x17mm Taper.

The 25x17mm lug width narrows the aftermarket considerably — most strap listings for the Big Bang are built around the 25x19mm taper and simply don’t fit these references. For owners of the 25x17mm variants, finding a band that fits correctly has often meant settling for something approximate or waiting for the right option to appear. This band is the right option.

This band is the right choice for:

• Owners of 25x17mm Big Bang references who have been underserved by a market that defaults to the 25x19mm specification — this band fits your watch precisely, not approximately.
• All-day wearers who want the refined look of leather without the weight that a solid leather-over-rigid-backing strap introduces — the silicone core keeps the band genuinely light through long wear.
• Buyers stepping up from plain rubber who want to retain rubber’s comfort and flexibility while adding the visual refinement of a genuine leather surface.
• Collectors completing a Big Bang strap rotation who want a leather-surface option for dressed and smart-casual contexts alongside their rubber or textile configurations.

Specifications

The 25x17mm fit that actually exists. Add to cart and put your Big Bang back on the wrist.