TAG Heuer · Carrera

Strap for Carrera Calibre Heuer 02 39 Stainless Steel / Black / Fragment

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter39 mm
ReferenceCBK221A.EB0171 (aka: Fragment, Hiroshi Fujiwara)
FamilyCarrera
MovementTAG Heuer caliber Heuer 02 No-date hours, minutes, small seconds | Chronograph, column wheel
Year2018
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 Carrera CBK221A.EB0171 (aka: Fragment, Hiroshi Fujiwara)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Carrera CBK221A.EB0171 (aka: Fragment, Hiroshi Fujiwara), seen from the bench

The Carrera CBK221A.EB0171 represents a collaboration with designer Hiroshi Fujiwara of Fragment Design. The watch features the Heuer 02 No-Date automatic chronograph caliber with a column-wheel mechanism. The movement offers hours, minutes, small seconds, and chronograph functions.

Frequently asked questions

What is the lug width of the TAG Heuer Carrera CBK221A.EB0171?

The lug width of the TAG Heuer Carrera CBK221A.EB0171 is 20mm. This measurement represents the distance between the two lugs (or spring bar attachments) on the watch case where the strap connects. You can verify this by measuring the original strap at its base or using a digital calliper positioned between the case attachments.

What is the best strap for the TAG Heuer Carrera CBK221A.EB0171?

The optimal strap depends on usage context. For formal wear, genuine alligator with uniform grain complements the matte black dial elegantly. Shell cordovan is the premium choice for those seeking a leather that develops patina over time. For daily use, vegetable-tanned calf offers balance between quality and practicality, whilst a vulcanised rubber strap ensures sports durability while maintaining minimalist aesthetics.

How do I change the strap on the TAG Heuer Carrera CBK221A.EB0171?

To change the strap, you'll need specialised tools: a spring bar tool or small removal lever. Position the watch with the strap facing downwards, locate the small spring beneath the lug pin, apply gentle inward pressure with the tool to release the spring, then extract the pin. Repeat on the other side. Insert the new strap's spring bars into the same attachments, ensuring they click into place securely. If you prefer, entrust this operation to a professional to avoid damage to the case lugs.

Can I use a 20mm aftermarket strap on this TAG Heuer?

Yes, any strap with a 20mm lug width is compatible with the TAG Heuer Carrera CBK221A.EB0171. Milano Straps offers an extensive range of artisanal <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-20mm">20mm straps</a> in alligator leather, shell cordovan, calf, rubber and other premium materials. Always verify that your spring bars are in good condition before installing a new strap.

How long does a leather strap last on a watch like the CBK221A.EB0171?

Durability depends on material and usage intensity. High-quality shell cordovan, with proper maintenance (occasional cleaning and conditioning), can last 5-8 years without structural compromise. Genuine alligator maintains similar longevity. Vegetable-tanned calf has slightly shorter durability (3-5 years under intensive daily use) as it's living leather and more delicate. Vulcanised rubber straps have greater longevity, typically 5-10 years. Milano Straps guarantees 18 months on the construction quality of every strap made in-atelier.

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