Authentic HUBLOT Classic Fusion – Rubber Watch Strap – 25(18.5)-22/110-80

Brand: Hublot

This is an authentic OEM Hublot Classic Fusion black rubber watch strap, reference 6-501-110 / 12-501-80. It is made for Classic Fusion 45 mm models in the 501 series.

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Authentic HUBLOT Classic Fusion Rubber Watch Strap 25(18.5)-22/110-80

Overview

This is an authentic OEM Hublot Classic Fusion black rubber watch strap, reference 6-501-110 / 12-501-80. It is made for Classic Fusion 45 mm models in the 501 series. The strap arrives as a two-piece set — long and short sections — and is sold without a buckle.

The strap is made from black rubber with a lined inner surface. The lug end measures approximately 25 mm at its widest point. It tapers to approximately 18.5 mm at the attachment system. The buckle end is approximately 22 mm. This hublot black rubber watch strap carries the brand’s characteristic integrated-lug profile suited to the Classic Fusion case architecture.

The strap is graded Excellent in our Condition Grading Scale below.

Specifications

The long piece measures approximately 110 mm. The short piece measures approximately 80 mm. Together they provide a combined wearable length suited to a range of wrist sizes. The lug-end width is approximately 25 mm (18.5 mm at the fixation point). The buckle end is approximately 22 mm. The inner surface is lined rubber. This reduces contact area against the wrist and provides ventilation under the band.

The strap reverse is stamped: HUBLOT | MSTL | 6-501-110 | 12-501-80.

Notes

  • The article is sold “AS IS”. Please read our Warranty Policy before purchasing.
  • Any parts not explicitly mentioned in this description or not visible in the accompanying photographs are not included.
  • Colors may appear slightly different across various screens and devices. We cannot guarantee an exact screen-to-reality color match.

This strap is sold without a buckle. Buyers fitting it to a Classic Fusion 45 mm ref. 501 will need to source a compatible Hublot deployant clasp or pin buckle separately.

Frequently Asked Questions

Which Hublot Classic Fusion references is this strap confirmed to fit?

The merchant content specifies compatibility with Hublot Classic Fusion 45 mm models under reference 501. Buyers with a different Classic Fusion diameter — 38 mm, 42 mm, or 33 mm — should verify the lug width and fixation-system dimensions of their specific case before ordering. Hublot uses distinct strap profiles across its Classic Fusion size range.

Is a buckle included, and what type of closure is recommended?

The strap is sold without a buckle. Hublot Classic Fusion 45 mm models are commonly paired with either a stainless steel pin buckle or a Hublot deployant clasp at the 22 mm buckle end. Both are available as separate accessories.

How is the strap attached to the Classic Fusion case?

Classic Fusion 45 mm cases in the 501 series use Hublot’s proprietary One-Click attachment system on certain variants. Others use a traditional spring-bar lug system. The 18.5 mm dimension at the fixation point reflects the narrowing at the lug interface. Buyers should confirm which attachment system their specific ref. 501 case uses before fitting.

How does black rubber hold up with regular water exposure and UV light?

OEM Hublot rubber straps are made to accompany watches rated for water resistance. The material tolerates regular contact with water, sweat, and salt without structural degradation under normal use. Prolonged direct UV exposure over years can cause surface dulling on black rubber. This effect is gradual and primarily cosmetic rather than structural.

What are the key markings that confirm this is a genuine Hublot strap rather than an aftermarket copy?

Genuine Hublot OEM straps carry the brand name, an MSTL designation, and two part-number stamps on the reverse — one for the long section and one for the short. On this strap those read HUBLOT | MSTL | 6-501-110  or 12-501-80. Aftermarket straps typically omit the MSTL code.

Watch Parts Condition Guide

⌚ Watch Components Condition Guide

Professional grading scale for movements, cases, dials, crowns, crystals, straps, buckles, and steel bracelets

ComponentMint (A+)Excellent (A)Good (B)Fair (C)Poor (D)
⚙️ Watch MovementsMint A+NOS / freshly serviced or factory new, flawless bridges, no marks.Excellent AClean, functional, minor handling marks, no rust.Good BRunning, may need service, visible wear on plates, keeps correct time.Fair CRuns erratically, low amplitude, some corrosion or prior non-pro repair.Poor DNon-running, broken parts, heavy rust, only suitable for parts.
📦 Watch CasesMint A+Unpolished, sharp edges, original finishing, no dings or wear marks.Excellent ALight hairlines, unpolished or light professional polish, case shape crisp.Good BModerate wear, minor dings, polished previously but thickness remains.Fair CVisible dents, over-polished, light pitting, possible aftermarket parts.Poor DHeavy corrosion, deep pitting, stripped threads, bent or missing parts.
🎨 Watch DialsMint A+Perfect finish, no flaws, luminous intact, printing razor-sharp, NOS.Excellent AVery light patina, all markers present, original, visually appealing.Good BUniform patina, minor edge wear, faint marks, printing fully legible.Fair CVisible scratches, flaking near edges, possible touched-up markers.Poor DSevere damage: missing indices, large paint loss, illegible printing.
👑 Watch CrownsMint A+Original signed, sharp logo, smooth winding, gasket fresh, water-ready.Excellent ALight microscratches, logo clear, functions perfectly, seals effective.Good BPlating wear on edges, logo slightly faded, threads engage well.Fair CWorn knurling, aftermarket, some corrosion, threads stiff.Poor DSevere corrosion, broken stem interface, non-functional, salvage only.
💎 Watch CrystalsMint A+Flawless, no scratches or chips, OEM crystal, perfect clarity.Excellent AMicro-scratches only visible under loupe, no chips or cracks.Good BSuperficial hairline scratches, can be polished, no structural issues.Fair CVisible scratches, small edge chip, clarity reduced.Poor DCracked, shattered, heavily crazed, missing chunks, must be replaced.
🧵 Watch StrapsMint A+Unworn, original buckle, leather supple, stitching perfect, no stains.Excellent ALightly worn, minimal flex marks, stitching intact, clean.Good BModerate wear, edge wear visible, usable but shows age.Fair CCracking leather, loose stitching, stretched holes, cosmetic flaws.Poor DBroken, torn, extreme stiffness, non-functional, replacement needed.
🔗 Buckles (Tang/Deployant)Mint A+NOS finish, logo crisp, perfect closure, joints like new.Excellent AMinor surface wear, logo fully visible, mechanism smooth.Good BVisible scratches, light plating wear, clasp secures properly.Fair CHeavy wear, logo faded, minor rust, function slightly affected.Poor DBroken hinge, severe corrosion, cannot hold strap, unserviceable.
⛓️ Steel BraceletsMint A+Unworn, full links, protective stickers, perfect articulation, no stretch.Excellent AMinor hairlines on clasp, very light stretch, original finish preserved.Good BModerate stretch, light scratches, clasp locks securely.Fair CNoticeable stretch, deep scratches, weak clasp closure.Poor DExcessive stretch, broken links, clasp broken, unsafe for wear.
⚡ Grading based on industry standards • Mint = as new / NOS • Excellent = light wear • Good = honest wear • Fair = functional with flaws • Poor = needs restoration
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Authentic HUBLOT Classic Fusion - Rubber Watch Strap - 25(18.5)-22/110-80

Authentic HUBLOT Classic Fusion - Rubber Watch Strap - 25(18.5)-22/110-80

CHF 150

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    Authentic HUBLOT Classic Fusion - Rubber Watch Strap - 25(18.5)-22/110-80

    Authentic HUBLOT Classic Fusion - Rubber Watch Strap - 25(18.5)-22/110-80

    CHF 150

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