Baume & Mercier · Classima

Strap for Classima 36.5 Automatic Stainless Steel / Red Gold / White / Bracelet

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter42 mm
Reference10223 (aka: MOA10223)
FamilyClassima
MovementSellita caliber SW300-1 a Hours, Minutes, Seconds | Date
CaseRed Gold, Stainless 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 Classima 10223 (aka: MOA10223)

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Classima 10223 (aka: MOA10223), seen from the bench

The Classima represents Baume & Mercier's dress watch line characterized by essential design and basic functions. Reference 10223 is equipped with the automatic Sellita SW300-1 caliber featuring hour, minute, second and date indications. The movement offers a standard power reserve for this category of timepiece.

Frequently asked questions

What is the lug width of the Baume & Mercier Classima 10223?

The lug width of the Classima 10223 is 18mm. This measurement is the space between the spring bars (metal pins) that connect the case to the strap. Measuring correctly ensures complete compatibility with aftermarket straps without risk of excessive tension or play.

What is the best strap for the Baume & Mercier Classima 10223?

The best strap depends on intended use. For formal wear and elegant daily wear, dark brown alligator or vegetable-tanned calf leather are ideal choices. For sports or summer contexts, premium canvas NATO or quality synthetic rubber work well. The 18mm compatibility provides access to artisanal catalogues with excellent leathers.

How do you change the strap on the Baume & Mercier Classima 10223?

Remove the strap using a spring bar tool (small watch-specific screwdriver) to push the pins inward. Once released, the strap slides away. To install the new one, align the strap holes with the pins and gently press until you hear a click. If inexperienced, consult an expert to avoid damaging the case.

Is an aftermarket strap compatible with the Baume & Mercier Classima 10223?

Yes, provided the width is exactly 18mm. Quality artisanal straps are built to universal specifications for this lug size. Always verify compatibility with the manufacturer before purchase and choose suppliers that guarantee constructive precision.

How long does a leather strap last before replacement is needed?

A quality leather strap (alligator or vegetable-tanned calf) typically lasts 3-5 years of daily use. Longevity depends on usage intensity, climate conditions, and maintenance (regular cleaning, avoiding excessive moisture). Shell cordovan, being denser leather, can last 7-10 years.

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