Bremont · Solo

Strap for Solo 43 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 diameter43 mm
ReferenceSoloWHSI
FamilySolo
MovementBremont caliber BE-36AE Hours, Minutes, Seconds | Date, Day | Chronometer
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 Solo SoloWHSI

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Solo SoloWHSI, seen from the bench

The Bremont Solo SoloWHSI is a stainless steel sports watch with a 43mm case diameter and 20mm lug width. It features the Bremont caliber BE-36AE automatic chronometer movement with hours, minutes, seconds, date and day functions. The case employs Bremont's patented Trip-Tick three-body system for structural rigidity and shock resistance, with anti-reflective sapphire crystal and transparent caseback displaying decorated movement surfaces.

Frequently asked questions

What is the lug width (ansa width) of the Bremont Solo SoloWHSI?

The Bremont Solo SoloWHSI features a 20-millimetre lug width. This measurement is critical for strap compatibility: the spring bars of your strap must fit precisely within the lug holes on the case, spaced exactly 20mm apart. Always verify this specification before ordering to ensure mechanical compatibility and proper seating.

Which strap is best suited to the Bremont Solo SoloWHSI?

The optimal choice depends on your intended use and aesthetic preference. For formal and classical contexts, we recommend alligator or vegetable-tanned calf leather straps, which offer structural integrity and develop a rich patina over time. For sport or operational use, synthetic NATO straps provide durability and practicality. Structured rubber straps excel in demanding environments or frequent water exposure. Milano Straps offers all these options in colour variants that harmonise with the neutral dial of the SoloWHSI.

How do you change the strap on a Bremont Solo SoloWHSI?

Strap replacement requires extraction of the two lateral spring bars securing the strap to the case. Using a spring bar tool, gently compress the internal spring to disengage the strap from the upper lug, then repeat for the lower lug. Insert the bars into the new strap, aligning them precisely with the case lugs until you hear a definitive click. This procedure demands care to avoid marring the case; many owners prefer to engage a professional watchmaker.

Is an aftermarket strap with 20mm lug width truly compatible with the SoloWHSI?

Yes, provided the strap is specifically manufactured for 20-millimetre lug width. However, the Atelier Casati Milano conducts comprehensive verification: not only lug width, but also strap thickness, spring bar geometry, and keeper height relative to the case must align properly. A bespoke aftermarket strap of artisanal quality ensures superior aesthetic integration compared to generic alternatives, respecting the construction rigour of the Bremont timepiece.

What is the expected lifespan of a leather strap on a Bremont Solo SoloWHSI?

Leather strap longevity depends on wear intensity, environmental conditions, and material quality. A high-quality alligator or vegetable-tanned calf strap worn daily typically offers 3 to 5 years of functional life before replacement becomes aesthetically desirable, though material properties begin to evolve after 18 to 24 months. Constant exposure to humidity and perspiration accelerates ageing; proper maintenance—regular drying and gentle cleaning—substantially extends strap longevity.

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