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Breitling · Premier

Strap for Premier Automatic 40 Stainless Steel / Silver / Bracelet

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

Lug width

20mm
20 mm strapsAll Breitling
Lug width20 mm
Case diameter40 mm
ReferenceA37340351G1A1
FamilyPremier
MovementBreitling caliber Caliber 37 Hours, Minutes, Small Seconds | Date
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

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The Premier A37340351G1A1, seen from the bench

The Breitling Premier A37340351G1A1 automatic watch features a 40mm stainless steel case with a round shape and thin bezel, embodying the Art Déco aesthetics of the original 1943 Premier collection. It houses the Breitling Caliber 37 automatic movement with hours, minutes, small seconds at 6 o'clock, and date display. The case is finished with alternating satin and polished surfaces, and the threaded caseback ensures water resistance. The strap width is 20mm, a classic size for this category. The Premier occupies Breitling's contemporary classicism segment, distinct from the brand's sports and diving models.

Frequently asked questions

What is the lug width of the Breitling Premier A37340351G1A1?

The lug width of the Breitling Premier A37340351G1A1 is 20mm. This measurement refers to the internal distance between the lugs at the point where the strap attaches to the case. It is advisable to verify this dimension with a digital calliper before purchasing an aftermarket strap.

What is the best strap for the Breitling Premier A37340351G1A1?

The most suitable straps for the Breitling Premier A37340351G1A1 are made from alligator leather, vegetable-tanned calf leather, or shell cordovan, ideally paired with a steel deployant clasp. These materials complement the dress-watch aesthetic of the Premier, enhancing its classical 40mm proportions.

How do you change the strap on the Breitling Premier A37340351G1A1?

The strap on the Breitling Premier A37340351G1A1 is removed using a spring bar tool, which compresses the spring bars within the lugs. Care must be taken to avoid scratching the stainless steel case. It is recommended to have the strap replaced by a watchmaker or a specialist atelier such as Casati Milano.

Are there aftermarket straps compatible with the Breitling Premier A37340351G1A1?

Yes, there is a wide range of aftermarket straps compatible with the Breitling Premier A37340351G1A1. The standard 20mm lug width ensures broad availability. Milano Straps offers handcrafted straps in various materials and finishes, with a bespoke option through Casati Milano atelier for fully made-to-measure pieces.

How long does a leather strap last on the Breitling Premier A37340351G1A1?

The longevity of a leather strap for the Breitling Premier A37340351G1A1 depends on the material and frequency of use. A quality vegetable-tanned calf strap typically lasts 2–4 years with daily wear; alligator and shell cordovan, owing to their denser fibre structure, can exceed 5 years with proper care using appropriate leather conditioners and by avoiding prolonged exposure to 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