Breitling · Chronomat B01 44

Strap for Chronomat 44 Rose Gold / Pearl Roman / Bracelet

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter44 mm
ReferenceHB011012.A693.375H
FamilyChronomat B01 44
MovementBreitling caliber Caliber B01 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel | Chronometer
CaseRose Gold

Spring bar

Swiss Standard universal spring bars

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

Straps for the Chronomat B01 44 HB011012.A693.375H

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Chronomat B01 44 HB011012.A693.375H, seen from the bench

The Chronomat B01 44 is powered by the Breitling-manufactured B01 caliber with a column-wheel chronograph function and chronometer certification. The watch features hours, minutes, small seconds, date, and chronograph indications. 44mm case with 22mm lugs.

Frequently asked questions

What is the lug width of the Breitling Chronomat B01 44 HB011012.A693.375H?

The lug width of the Breitling Chronomat B01 44 (ref. HB011012.A693.375H) is 22mm. This measurement, proportionate to the 44mm case diameter, ensures a stable fit on the wrist and is compatible with a wide range of aftermarket straps in leather, rubber or textile.

What is the best strap for the Breitling Chronomat B01 44 in rose gold?

For a 44mm rose gold case, the most suitable materials are alligator leather in cognac or tobacco tones, shell cordovan, and vegetable-tanned calf leather. These leathers develop a patina over time that complements the warm hues of rose gold, balancing the Chronomat's sporting character with the nobility of the case material.

How do you change the strap on a Breitling Chronomat B01 44?

The strap on the Chronomat B01 44 is removed using a fine-tipped spring bar tool, applying gentle leverage on the spring bar housed within the lugs. It is advisable to work on a soft surface to protect the rose gold case from scratches. The specific lug geometry with rider tabs requires careful selection of the replacement strap: the end must be straight and the keeper correctly sized.

Are there aftermarket straps compatible with the Breitling Chronomat B01 44 HB011012.A693.375H?

Yes, any strap with a 22mm straight-end attachment is technically compatible. Milano Straps crafts bespoke straps specifically suited to the Chronomat B01 44: material, colour, stitching and buckle type (standard or deployant clasp) can all be selected online or at the Casati Milano atelier.

How long does a leather strap last on a Breitling Chronomat B01 44?

The lifespan of a leather strap depends primarily on the quality of the hide, daily care and exposure to perspiration and environmental factors. A high-quality alligator or shell cordovan strap, maintained with leather conditioner and rotated with other straps, can last between three and seven years while retaining its appearance and structure. Vegetable-tanned calf leather, thanks to its thickness and fibre density, offers comparable performance with regular maintenance.

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