Corum · Bubble

Strap for Bubble 47 Disco

Takes 24 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width24 mm
Case diameter47 mm
ReferenceL082/03020 (aka: 082.310.20/0067 DB01)
FamilyBubble
MovementCorum caliber CO 082 Hours, Minutes, Seconds | Date
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Bubble L082/03020 (aka: 082.310.20/0067 DB01)

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Bubble L082/03020 (aka: 082.310.20/0067 DB01), seen from the bench

The Corum Bubble features the CO 082 caliber with hour, minute, second and date indications. The watch has 24mm lugs and the reference L082/03020. The movement provides the essential timekeeping functions with a date complication.

Frequently asked questions

What is the exact lug width of the Corum Bubble L082/03020?

The lug width of the Corum Bubble L082/03020 is 24mm. This measurement is specific to this model and ensures correct visual proportions with the 47mm case. To verify strap compatibility, measure the internal space between the lug shoulders: it must be exactly 24mm, with maximum tolerance of ±0.2mm.

What type of strap do you recommend for the Corum Bubble L082/03020?

For the Bubble, we recommend materials that do not compete with the domed sapphire crystal. Black or dark brown alligator creates sober contrast. Shell cordovan with its brown-violet patina is elegant and sophisticated. Vegetable-tanned calf develops natural patina over time. For sportier use, a heavy cotton NATO or vulcanised rubber strap maintains the aesthetic austerity required by this design masterpiece.

How do you change the strap on a Corum Bubble L082/03020?

Changing the Bubble's strap requires attention: the 47mm case has significant mass and the lugs are firmly anchored. Position the watch on a soft cushion with the case facing downward, expose the side lugs and use a quality spring bar tool. Press gently inward to disengage the spring, then remove the previous strap. Verify the lug is horizontal (not angled) before inserting the new strap. The procedure requires patience: never force anything.

Can I use an aftermarket strap from another brand on my Corum Bubble L082/03020?

Yes, any strap with compatible 24mm lug width (tolerance ±0.2mm) is usable on the Bubble. Compatibility depends exclusively on lug width, not brand. Milano Straps supplies artisanal 24mm straps specifically tested for this measurement. Always verify technical specifications before purchase.

How long does a leather strap last on the Corum Bubble L082/03020?

The lifespan of a leather strap depends on use, tanning method and care. High-quality alligator or shell cordovan lasts 3-5 years with moderate daily use, up to 7-8 years with occasional wear. Vegetable-tanned calf develops aesthetic patina in 6-12 months, then ages gradually. To extend strap life, avoid prolonged moisture, condition with specific balm every 6 months and rotate with alternative straps. Milano Straps offers personalised maintenance guidance.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only