Blancpain · L-Evolution

Strap for L-Evolution Automatique 8 Jours Red Gold

Takes 23 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width23 mm
Case diameter44 mm
Reference8805-3630-53B
FamilyL-Evolution
MovementBlancpain caliber 13R5 hours, minutes, seconds | date | power reserve indicator
Year2009
CaseRed Gold

Spring bar

Swiss Standard universal spring bars

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

The L-Evolution 8805-3630-53B, seen from the bench

The Blancpain L-Evolution reference 8805-3630-53B is equipped with the automatic caliber 13R5 with power reserve indicator, hours, minutes, seconds, and date. The watch features 23mm lugs and is part of the Swiss manufacturer's L-Evolution collection. The movement offers essential functions with the addition of the power reserve indication.

Frequently asked questions

What is the lug width of the Blancpain L-Evolution 8805-3630-53B?

The lug width (misura ansa) of the Blancpain L-Evolution 8805-3630-53B is precisely 23.00mm. Measurement is performed by positioning a digital calliper perpendicular to the case plane, from hole to hole of the spring bar screw. This unconventional dimension requires purpose-designed straps: standard 22mm or 24mm straps are not compatible. Milano Straps offers a complete collection of bespoke straps in this rare size.

Which strap is recommended for this red gold Blancpain model?

For the 8805-3630-53B in 18-carat red gold, Mississippi alligator with regular grain represents the natural pairing: the contrast between skin texture and gold luminosity creates visual depth. Elegant alternatives include vegetable-tanned calf (develops an aged patina over time), Japanese shell cordovan (maximalist and rigid), or ultra-thin rubber for a sports-oriented interpretation. Selection depends on daily wear and wrist characteristics.

How do you change the strap on the Blancpain L-Evolution 8805-3630-53B?

The 8805-3630-53B features screw-type spring bars at both lugs. To remove the original strap: position the watch face-down, use a dedicated tool (ball wrench or screwdriver) to unscrew the fasteners counter-clockwise without forcing, then extract the spring bar horizontally. Reverse the procedure to install a new 23mm strap, ensuring the screw is uniformly tightened without excessive compression of the metal.

Is the Blancpain L-Evolution 8805-3630-53B compatible with aftermarket 23mm straps?

Yes, the 8805-3630-53B accepts any bespoke or commercial strap with a 23.00mm lug width specification. Compatibility is guaranteed by geometric specification; however, to preserve the structural integrity of the red gold case, straps of equivalent quality are recommended: vegetable-tanned leather, 1.2-1.6mm thickness, manual finishing and precise stitching. Milano Straps provides an exclusive collection designed for this model.

How long does a leather strap last on the Blancpain L-Evolution 8805-3630-53B?

The lifespan of a 23mm leather strap depends on material type and daily wear. Genuine alligator with vegetable tanning resists 4-6 years of regular use before replacement; Japanese shell cordovan lasts 5-7 years maintaining constant rigidity; vegetable-tanned calf ages significantly within 18 months but remains functionally sound for 4-5 years. Periodic care (cleaning with damp cloth, conditioning every six months with natural wax) significantly extends longevity.

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