Oris · Aquis

Strap for Aquis Maldives Limited Edition / 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 diameter43 mm
Reference01 643 7654 7185-Set MB
FamilyAquis
MovementOris caliber Oris 743 Hours, Minutes, Small Seconds | Day
CaseTitanium, Ceramic

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

The Aquis 01 643 7654 7185-Set MB, seen from the bench

The Oris Aquis represents the brand's collection of diving watches, characterized by high water resistance and robust construction. The model features the Oris 743 automatic caliber with hour, minute, small second and date indication. The reference 01 643 7654 7185-Set MB is part of the brand's professional diving range from Hölstein.

Frequently asked questions

What is the exact lug width of the Oris Aquis 01 643 7654 7185-Set MB?

The lug width is precisely 20mm. This measurement corresponds to the internal distance between the shoulder points of the titanium case's integrated lugs. When purchasing a replacement strap, ensure the strap lug holes are dimensioned for 20mm, as the fixed lugs on the 01 643 7654 7185-Set MB cannot accommodate significant tolerances.

Which strap is recommended for the Oris Aquis 01 643 7654 7185-Set MB?

The choice depends on your primary use. For technical diving, a NATO or natural rubber strap ensures total water resistance and practicality. For daily elegant-sporty wear, vegetable-tanned alligator or Italian calf leather accentuate aesthetics whilst maintaining robustness. Milano Straps offers leather, NATO and rubber in 20mm, all tested for structural compatibility with this case.

How do I change the strap on my Oris Aquis 01 643 7654 7185-Set MB?

Remove the original strap by sliding the strap lugs out from beneath the titanium case lugs. Insert the new strap by threading the lugs under the case lugs, ensuring they fit snugly without vertical play. If your new strap features a deployment clasp, verify it locks correctly on the outer wrist side. If using a single-pass NATO, wrap the textile around both upper and lower lugs, ensuring the buckle remains accessible on the wrist.

Is a 20mm aftermarket strap truly compatible with the 01 643 7654 7185-Set MB?

Yes, provided the strap lug width is calibrated for 20mm and the lugs fit the integrated case lugs without forcing. Milano Straps tests every 20mm strap for physical and functional compatibility. Improvisation is discouraged: non-standard lugs cause mechanical stress on the titanium case and compromise crown water-resistance sealing.

How long does a leather strap last on the Oris Aquis 01 643 7654 7185-Set MB?

A vegetable-tanned leather strap typically lasts 2-4 years with daily wear, provided it is dried regularly after water contact (showering, recreational diving). Repeated technical immersion shortens longevity. To extend lifespan, alternate with NATO or rubber straps during intensive diving periods. The patina that develops is normal ageing, not structural deterioration.

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