Mido · Commander

Strap for Commander Icône PVD / Black / Bracelet

Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width21 mm
Case diameter42 mm
ReferenceM031.631.33.061.00
FamilyCommander
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 Commander M031.631.33.061.00

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Commander M031.631.33.061.00, seen from the bench

The Mido Commander M031.631.33.061.00 is a modern interpretation of a mid-century nautical instrument. The cylindrical stainless steel 316L case measures 42mm in diameter and houses an ETA C07.821 quartz movement with hours, minutes, seconds and date. The lug width is 21mm, a precise specification required for proper strap fit without angular play. This watch combines clean lines and austere proportions, designed for daily use with documented reliability and reduced maintenance typical of Swiss manufacture.

Frequently asked questions

What is the exact lug width of the Mido Commander M031.631.33.061.00?

The lug width of the Mido Commander M031.631.33.061.00 is precisely 21mm. This measurement is critical for strap compatibility and must be verified using a digital calliper between the lugs, with a tolerance of ±0.1mm (acceptable range 20.9–21.1mm). A strap with 20mm or 22mm lugs will not fit correctly.

What is the best strap for the Mido Commander?

The stainless steel Mido Commander pairs coherently with dark cognac French alligator, vegetable-tanned black or burgundy calf leather, and robust black rubber. Your choice depends on intended use: for daily formal wear, select aged leather; for sport and aquatic contexts, opt for rubber or navy NATO. The brushed stainless steel case demands equally austere materials without chromatic indulgence.

How do I change the strap on the Mido Commander?

Remove the two lateral lugs pins using a spring bar tool or a very thin flathead screwdriver. Position the watch on a soft surface (velvet cloth) to prevent scratches. Gently extract the pin from the bottom side, slide off the old strap, then insert the new strap and reintroduce the pin. Verify no gaps remain between lug and case. If uncertain, consult a professional watchmaker.

Can I use an aftermarket strap from another brand on this Mido?

Yes, provided the aftermarket strap has exactly 21mm lug width. Many specialised manufacturers (including Italian artisanal makers) offer universal straps in this specification. Always verify the seller's specification before purchase. Caution: even a 1mm difference renders the strap unusable or causes stress on the case.

How long does a leather strap last on the Mido Commander case?

A high-quality leather strap (natural alligator or vegetable-tanned calf) with moderate daily use lasts between 18 months and 3 years. Longevity depends on usage intensity, humidity exposure, and maintenance (dry after rain, avoid chlorine). Vegetable-tanned calf is more resilient than delicate alligator. Rubber or NATO straps typically last 5–10 years without significant degradation.

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