Carl F. Bucherer · Heritage

Strap for Heritage Bicompax Annual Bucherer Blue

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
Reference00.10803.08.52.99
FamilyHeritage
MovementCarl F. Bucherer caliber CFB 1972 hours, minutes, small seconds | annual calendar, big date, month | Chronograph
Year2021
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 00.10803.08.52.99

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Heritage 00.10803.08.52.99, seen from the bench

The Carl F. Bucherer Heritage 00.10803.08.52.99 is a 41mm stainless steel chronograph featuring an annual calendar with large date complication at 3 o'clock and chronograph counter at 6 o'clock. Powered by the in-house CFB 1972 caliber movement, the watch represents over 160 years of Lucerne watchmaking tradition. The 18mm lug width accommodates leather strap compatibility while maintaining the proportional design philosophy inherent to medium-sized men's cases between 38–44mm.

Frequently asked questions

What is the lug width of the Carl F. Bucherer Heritage 00.10803.08.52.99?

The lug width is 18mm, measured between the case lugs where the strap attaches. This dimension is Bucherer's design standard for chronographs in this family. Always verify the internal distance between your watch's lugs before ordering a replacement strap.

What is the best strap for the Carl F. Bucherer Heritage?

A fine-grained alligator in cognac or dark brown tones amplifies the technical sophistication of the movement and case. For versatility, vegetable-tanned calf leather develops a rich patina over time. For active use, premium rubber maintains functionality and readability. Your choice depends on usage context and personal aesthetic preference.

How do I change the strap on this watch?

Remove the metal lugs (spring bars) from the case attachments using a specialised tool (spring bar tool). Extract the old strap and insert the new one, aligning the ends with the lugs. Ensure the lugs click firmly into position without lateral play. If you lack experience, consult a professional watchmaker.

Can I fit an aftermarket 18mm strap on this Carl F. Bucherer?

Yes, any strap with 18mm lug width is compatible. Milano Straps offers leather, NATO, and rubber straps dimensioned specifically for this width. Verify that the strap features robust lugs (stainless steel) and that the buckle is proportionate to the case diameter (41mm).

How long does a leather strap last on a watch like this?

A quality leather strap, with proper maintenance (periodic cleaning with a damp cloth, protection from extreme humidity), lasts 3–5 years on average. Daily wear accelerates degradation; a strap reserved for formal occasions may last 7–10 years. Replacement is quick and economical, enabling seasonal rotation and aesthetic variety.

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.

Request an appointment →

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