Mido · Baroncelli

Strap for Baroncelli Chronometer 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 width20 mm
Case diameter40 mm
ReferenceM027.408.11.031.00
FamilyBaroncelli
MovementETA caliber C07.821 Hours, Minutes, 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

Straps for the Baroncelli M027.408.11.031.00

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Baroncelli M027.408.11.031.00, seen from the bench

The Mido Baroncelli M027.408.11.031.00 represents classical Swiss proportions from a collection dating to the 1950s, characterized by clean lines and rigorous geometry. The 40 mm stainless steel case features a silvered dial with baton indices, simple date window at 3 o'clock, and water resistance to 100 metres. It is powered by an ETA C07.821 automatic calibre with hours, minutes, seconds and date functions. The 20 mm lug width ensures balanced proportions between case diameter and wrist presence. The case is finished with satin and polished treatment, with a solid caseback.

Frequently asked questions

What is the lug width of the Mido Baroncelli M027.408.11.031.00?

The Mido Baroncelli M027.408.11.031.00 features 20-millimetre lugs. This measurement represents the width between the internal lug holes and is compatible with all watch straps of identical width. To verify correct measurement, measure the distance between the inner left pole and inner right pole on the upper case.

Which strap is recommended for the Mido Baroncelli M027.408.11.031.00?

For this classic Swiss timepiece, we recommend genuine alligator straps for formal contexts, or vegetable-tanned calf leather for an elegant yet versatile aesthetic. Alternatively, a quality canvas NATO strap offers a sports-inspired interpretation whilst maintaining visual balance. For humid climates, synthetic FKM rubber is the most practical solution.

How do I change the strap on the Mido Baroncelli M027.408.11.031.00?

Place the watch on a soft surface. Locate the lug spring bar pins (one on each side). Using a spring bar tool, apply gentle downward pressure on the pin to compress the internal spring, then extract the strap from its seat. Insert the new strap by aligning the spring bars into the lug holes, then release the tool to lock the system in place. Verify correct engagement with a gentle pull.

Can I use an aftermarket compatible strap on this Mido model?

Yes, the Mido Baroncelli M027.408.11.031.00 is fully compatible with quality-certified aftermarket straps that respect the 20-millimetre lug width specification. Ensure the material's width and thickness allow secure engagement without excessive play on the original stainless steel lugs.

What is the typical lifespan of a leather strap for the Baroncelli?

A quality leather strap (alligator or vegetable-tanned calf) typically lasts 3-5 years with daily wear, following regular maintenance: gentle cleaning with damp cloth, rapid drying, and avoiding prolonged water or humidity exposure. Vegetable-tanned materials develop rich patina and age elegantly; synthetic straps generally last longer but without aesthetic evolution.

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