Baume & Mercier · Clifton

Strap for Clifton Complete Calendar Stainless Steel / White / 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
Reference10450
FamilyClifton
MovementBaume & Mercier caliber BM11900 hours, minutes, seconds | date, day, month | moonphase
Year2013
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 10450

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Clifton 10450, seen from the bench

The Clifton represents a contemporary collection from Baume & Mercier with a classic design. The reference 10450 is equipped with the BM11900 caliber with indication of hours, minutes, seconds, complete date and moon phases. The movement offers multiple complications including day, date, month and moon phase display.

Frequently asked questions

What is the lug width of the Baume & Mercier Clifton 10450?

The lug width of the Clifton 10450 is exactly 20mm. This measurement is taken between the two horizontal lugs that protrude from the case. A 20mm lug width permits the installation of standard aftermarket straps without modifications, ensuring compatibility with most artisanal straps available online.

What is the best strap for the Baume & Mercier Clifton 10450?

The best strap depends on your intended use. For formal contexts, brown or mahogany alligator enhances elegance without excess. For daily versatility, calf leather with vegetable tanning guarantees natural ageing and beautiful patina development. For sporty or casual environments, a black rubber strap or shell cordovan offers practicality and superior durability.

How do you change the strap on a Clifton with an integrated bracelet?

The Clifton 10450 features fixed lugs and an integrated bracelet that does not disassemble like standard models. To transition to an alternative strap, you must use a secondary attachment system or consult a specialist watchmaker to install an adapter. Alternatively, Milano Straps recommends a bespoke solution through Casati Milano atelier.

What aftermarket strap is compatible with the Clifton 10450?

Any strap with 20mm lugs is compatible with the Clifton 10450, provided it meets artisanal quality standards. Milano Straps offers a complete collection of 20mm straps in alligator, calf, shell cordovan and rubber, all customisable in length, colour and stitch details. Compatibility is guaranteed by international standardisation of lug width.

How long does a leather strap last on a watch like the Clifton 10450?

A quality artisanal leather strap typically lasts 3–5 years of daily wear, depending on the leather type and environmental conditions. Vegetable-tanned leather develops natural patina and wears gracefully; alligator resists longer due to grain density; shell cordovan can exceed seven years with periodic maintenance. Milano Straps warrants its straps for 18 months.

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