Carl F. Bucherer · Heritage

Strap for Heritage Bicompax Annual Hometown Edition Zurich

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter41 mm
Reference00.10803.08.92.99
FamilyHeritage
MovementCarl F. Bucherer caliber CFB 1972 hours, minutes, small seconds | annual calendar, big date, month | Chronograph
Year2022
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 Heritage 00.10803.08.92.99

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Heritage 00.10803.08.92.99, seen from the bench

The Carl F. Bucherer Heritage features the CFB 1972 caliber with chronograph, annual calendar and big date functions. The movement offers indication of hours, minutes, small seconds, month and annual calendar with big date. The reference 00.10803.08.92.99 presents a manufacture movement with multiple complications integrated.

Frequently asked questions

What is the lug width of the Carl F. Bucherer Heritage 00.10803.08.92.99?

The lug width of the Carl F. Bucherer Heritage 00.10803.08.92.99 is 18 millimetres. This measurement is standard across all Heritage collection references in the sportive-elegant chronograph segment. The distance is measured between the centres of the two attachment pins on the stainless steel case.

Which strap is most suitable for the Carl F. Bucherer Heritage 00.10803.08.92.99?

The ideal strap depends on primary usage: vegetable-tanned calf leather offers versatility and develops natural patina over time (recommended for daily wear); alligator imparts discrete formality (evening occasions); NATO in Cordura guarantees military practicality; FKM rubber ensures complete water and external agent resistance. Your choice should reflect the orologio's primary use environment.

How do you change the strap on the Carl F. Bucherer Heritage 00.10803.08.92.99?

Strap replacement requires a spring bar removal tool and approximately two minutes. Position the watch with the lug sides facing upward, insert the removal tool into the slot beneath the lug, gently depress the stainless steel return spring, and slide off the original strap. Install the new strap by inserting the pins into the case seats until the return spring locks into place.

Are Milano Straps aftermarket straps compatible with the 00.10803.08.92.99?

Yes. All Milano Straps straps certified for 18mm lug width are 100% compatible with the Carl F. Bucherer Heritage 00.10803.08.92.99. Manufacturing tolerance is verified during production at Casati Milano to guarantee precise fit without excessive play.

How long does a leather strap last before requiring maintenance?

A vegetable-tanned calf leather strap, subjected to moderate daily wear, maintains functional integrity for 3–5 years. The natural patina that develops during this period is not deterioration, but aesthetic enrichment. After 18–24 months, conditioning treatment with specialist balms is advisable to preserve leather elasticity and slow oxidation.

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