Breitling · Premier

Strap for Premier Heritage B09 Chronograph 40 Red Gold / Silver

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

Lug width20 mm
Case diameter40 mm
ReferenceRB0930371G1P1
FamilyPremier
MovementBreitling caliber B09 hours, minutes, small seconds | Chronograph, column wheel | chronometer
Year2021
CaseRed 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 Premier RB0930371G1P1

Selected for the 20 mm lug width

All 20 mm straps →

The Premier RB0930371G1P1, seen from the bench

The Premier was reintroduced by Breitling in 2018 as an elegant collection dedicated to civilian environments. It is equipped with the manual-winding B09 caliber with chronograph function, column-wheel and chronometer certification. The case features indications for hours, minutes, small seconds and chronograph with a column-wheel mechanism.

Frequently asked questions

What is the lug width of the Breitling Premier RB0930371G1P1?

The Breitling Premier RB0930371G1P1 has a lug width of 20mm. This measurement should be taken with a digital calliper between the two lugs on the case back, at the narrowest point adjacent to the case. It is the essential parameter for correct strap replacement.

What is the best strap for the Breitling Premier RB0930371G1P1 in red gold?

For an 18-carat red gold case such as that of the Premier RB0930371G1P1, the most suitable materials are vegetable-tanned alligator and shell cordovan. Both develop a patina over time that complements the warm reflections of the metal. Chromatically, bordeaux, mid-tobacco brown and midnight blue are the most successful choices. The buckle or deployant clasp should ideally be in rose gold for material consistency.

How do you change the strap on a Breitling Premier RB0930371G1P1?

Replacement requires a double-tip spring bar tool to remove the spring bars from the case lugs. On this red gold model it is essential to use tools with protected tips to avoid scratching the precious metal. It is advisable to entrust the operation to an experienced watchmaker or specialist atelier to preserve the integrity of the case.

Are there aftermarket straps compatible with the Breitling Premier RB0930371G1P1?

Yes, the Breitling Premier RB0930371G1P1 features a standard 20mm lug width that accepts any aftermarket strap of that size, provided the ends are compatible with the lug curvature. On milanostraps.it you will find handcrafted 20mm straps in various materials, made to fit this reference correctly.

How long does a leather strap last on a Breitling Premier RB0930371G1P1?

Longevity depends on the material and daily care. A quality shell cordovan or vegetable-tanned alligator strap, with regular conditioning using dedicated creams and rotation with other straps, can last between 3 and 6 years while maintaining excellent aesthetic quality. Smooth calfskin straps generally have a shorter lifespan of 1 to 3 years, depending on exposure to perspiration and moisture.

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