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Oris · TT3

Strap for TT3 Daryl O'OYoung Limited Edition

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

20mm
20 mm strapsAll Oris
Lug width20 mm
Case diameter44 mm
Reference01 733 7589 7714-Set
FamilyTT3
MovementOris caliber Oris 733 Hours, Minutes, Seconds | Date
CaseTitanium

Spring bar

Swiss Standard universal spring bars

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

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The TT3 01 733 7589 7714-Set, seen from the bench

The Oris TT3 reference 01 733 7589 7714-Set is equipped with the Oris 733 caliber featuring hours, minutes, seconds and date functions. The movement ensures the display of essential time indications through a traditional reading system. The case has a technical construction oriented to sporty use with functional crown and pushers.

Frequently asked questions

What is the lug width of the Oris TT3 01 733 7589 7714-Set?

The lug width of the Oris TT3 01 733 7589 7714-Set is 20mm. This measurement represents the distance between the two metal pins that attach the strap to the case. Precise adherence to this specification is essential to ensure correct compatibility and optimal positioning of the strap.

What is the best strap for the Oris TT3 01 733 7589 7714-Set?

The choice depends on intended use and personal preference. For an elegant and sophisticated aesthetic, we recommend alligator in cognac or medium brown tones. For daily versatility, calf leather with vegetable tanning that develops patina over time is ideal. For sports contexts and humid environments, natural rubber or NATO fabric straps are the most practical solutions. Shell cordovan represents the apex of material nobility, though rarer in 20mm configurations.

How do you change the strap on the Oris TT3 01 733 7589 7714-Set?

Strap replacement requires the use of a spring bar tool. Insert the pointed end of the tool into the groove on the metal pin, apply gentle pressure, and extract the pin. Once removed, the strap detaches from the case. To install the new strap, reverse the procedure, ensuring the spring bar is correctly positioned in the holes. Work with care to avoid scratching the case.

Are there compatible aftermarket straps for the 01 733 7589 7714-Set model?

Yes, numerous quality aftermarket straps are compatible with the Oris TT3 thanks to the standardised 20mm lug width. These straps offer a wide range of materials—fine leather, technical textiles, resistant rubbers—and bespoke construction options that allow different aesthetic expressions of the same watch. Milano Straps provides a curated selection of 20mm straps crafted with artisanal materials of excellence.

How long does a leather strap last on the Oris TT3?

The lifespan of a leather strap depends on material quality, frequency of use, and environmental conditions. A strap made with premium leather (alligator, shell cordovan, vegetable-tanned calf) and subject to regular maintenance—gentle cleaning and occasional application of specific oils—can last 3 to 7 years in daily use. Frequent exposure to direct moisture or sweat accelerates ageing. Rotating between multiple straps significantly extends the longevity of each.

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