Baume & Mercier · Clifton

Strap for Clifton Complete Calendar Stainless Steel / Silver / Strap

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
Reference10055 (aka: MOA10055, M0A10055)
FamilyClifton
MovementBaume & Mercier caliber BM11900 Hours, Minutes, Seconds | Date, Day, Month | Moonphase
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 Clifton 10055 (aka: MOA10055, M0A10055)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Clifton 10055 (aka: MOA10055, M0A10055), seen from the bench

The Baume & Mercier Clifton reference 10055 features the BM11900 caliber with hour, minute, second, full date, and moon phase indications. The movement offers day, date, month functions, as well as the moon phase complication. Technical specifications regarding case dimensions and materials are not available for this reference.

Frequently asked questions

What is the lug width of the Baume & Mercier Clifton 10055?

The Clifton 10055 features a 20mm lug width. This measurement is critical for aftermarket strap compatibility. To verify, measure the internal space between the two lugs protruding from the case using a digital calliper. A 22mm or 18mm strap will not fit correctly, leaving gaps or creating instability.

Which strap material is most suitable for the Baume & Mercier Clifton 10055?

Alligator is the most elegant choice, offering a distinctive grain and developing a rich patina over time. For superior value, shell cordovan provides exceptional durability and progressive aesthetic refinement. Vegetable-tanned calf leather suits those seeking ethical sourcing and natural patina development. For sports or humid environments, a canvas or nylon NATO strap maintains classical aesthetics without functional compromise.

How do you change the strap on the Clifton 10055?

Remove the watch and place it on a soft cloth with the case facing upward. Locate the lug pins—small screws or removable pins. Using a strap removal tool (fork-shaped) or a thin flathead screwdriver, gently press inward to release the pin. Once extracted from one side, the strap detaches. Repeat on the opposite side. To install a new 20mm strap, ensure lug holes are perfectly aligned and insert the pin smoothly until it locks mechanically.

Is a 20mm aftermarket strap compatible with the Clifton 10055?

Yes, provided it respects the 20mm lug width specification. Avoid 18mm or 22mm straps. Verify that the strap material and any buckle components are compatible with the stainless steel case. If using a deployant clasp, ensure it is 316L stainless steel to prevent galvanic corrosion between dissimilar metals. Custom-crafted straps guarantee optimal aesthetic and structural compatibility.

How long does a leather strap last on the Clifton 10055?

Lifespan depends on material and intensity of use. Alligator typically lasts 5–7 years with moderate daily wear. Shell cordovan reaches 6–8 years due to fibre density. Vegetable-tanned calf lasts 3–5 years. Patina (natural darkening and minor abrasions) is desirable, indicating noble ageing. Prolonged sun exposure, aggressive perspiration, and humidity accelerate wear. Regular maintenance with specialist creams and balms significantly extends strap lifespan.

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