Aftermarket Leather Strap for Hublot Big Bang Series – 25x17mm

Description

Wrist size varies more than most strap manufacturers account for — and on a 45mm-class watch like the Big Bang, a long side that runs short doesn’t just limit adjustability, it throws the entire proportion of the strap off. The Hublot Big Bang Leather Strap is built with the longer wrist in mind: a 125mm long side paired with an 85mm short section, over a rubber base with a leather finish, tapered to the Big Bang’s specific 25x17mm lug geometry. The fit that accommodates the full wrist range — including the ones a 110mm long side leaves without a comfortable option.

Built Longer. Fitted Exactly. Finished in Leather.

• Rubber base with leather finish — performance core, refined surface — the rubber base gives the strap its flexibility, resilience, and moisture resistance — the properties that make it perform across active daily wear without maintenance or degradation. The leather finish on the surface adds the visual warmth, natural character, and sophisticated appearance that elevate the strap beyond a plain rubber band, without adding the weight or care requirements of a full leather construction.
• 125mm long side — the length that fits a broader wrist range — where a 110mm long side closes correctly for average wrists, a 125mm long side extends that range to accommodate larger wrists comfortably, positioning the buckle correctly and leaving the tail properly seated through the keeper. On a watch this substantial, wearing the strap at its very last hole is never ideal; the 125mm long section ensures that’s not a concern.
• Exact 25x17mm taper for the Big Bang — engineered to the specific lug geometry of the 25x17mm Big Bang references, tapering from 25mm at the case to 17mm at the buckle end. A specification this precise is built from the correct dimension outward — not approximated from a wider blank.
• 85mm short side — a generous short section that works in proportion to the longer long side, keeping the buckle centred and ensuring the strap closes correctly across the full adjustment range without the tail running short.
• Folding buckle closure — secure, flat-sitting, and single-handed to operate, with even tension distribution across the strap’s 17mm buckle-end width for reliable, comfortable security through long wear.

For the Larger Wrist the 110mm Long Side Doesn’t Reach.

Finding a correctly fitting strap for a 25x17mm Big Bang is already a narrow search. Finding one with a long side generous enough to suit a larger wrist narrows it further. This strap exists at the intersection of both requirements — the right taper and the right length, in a leather-finished construction that brings the sophistication the Big Bang deserves.

This strap is the right choice for:

• Larger-wrist owners of 25x17mm Big Bang references for whom the 110mm long side closes at the final hole or runs out entirely — 125mm resolves that directly.
• Owners who want a leather-finished surface without the full weight and maintenance of a solid leather strap — the rubber base keeps the strap light and practical while the leather finish handles the visual register.
• Buyers completing a Big Bang strap rotation who want a longer-length option to complement a standard-length band in the same material category.
• Detail-focused owners who understand that strap length is as important as lug width in achieving a correctly proportioned fit, and won’t settle for a band that closes at the wrong point on their wrist.

Specifications

The 25x17mm strap with the long side that actually fits. Add to cart today.