Oris · TT1
Strap for Oris TT1 01 674 7659 4764
Takes 25 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The TT1 01 674 7659 4764, seen from the bench
Frequently asked questions
What is the lug width of the Oris TT1 reference 01 674 7659 4764?
The Oris TT1 01 674 7659 4764 features a 25mm lug width (measured internally between the two lugs of the case). This is a non-standard specification reflecting the proportional design of the 45mm case. Verifying lug width is essential when sourcing aftermarket straps to ensure precise mechanical compatibility and proper fitment.
Which strap material is best suited to the Oris TT1 01 674 7659 4764?
For the TT1 01 674 7659 4764, we recommend alligator leather in black, shell cordovan in dark tones, or technical NATO 450D. Alligator delivers visual solidity and superior grip in humid conditions; shell cordovan develops profound patina over time and offers inherent water resistance; NATO is ideal for competitive use, requiring minimal maintenance and allowing rapid changeover. Material choice depends on intended usage and wearing context.
How do I change the strap on the Oris TT1 01 674 7659 4764?
The TT1 01 674 7659 4764 uses a standard spring bar attachment measuring 25mm. To change the strap: remove the spring bar using a dedicated spring bar tool, inserting the tip into the small cavity of the lug; select a new strap with correct 25mm lug width; insert the spring bars into both ends of the new strap; align and press firmly into the case lugs until you hear the locking click. Professional assistance from an experienced watchmaker is recommended for the first operation.
Are there quality aftermarket straps compatible with the Oris TT1 01 674 7659 4764?
Yes, numerous artisanal aftermarket straps are compatible with the 25mm lug width specification. Milano Straps offers a curated collection including leather options (alligator, calf, shell cordovan), NATO fabrics, and technical rubber compounds, all crafted to the specific dimensions of the TT1 01 674 7659 4764. Compatibility is assured by the standardised 25mm lug width and universal spring bar attachment.
What is the typical lifespan of a leather strap on the Oris TT1 01 674 7659 4764?
A high-grade vegetable-tanned leather strap, worn daily on the TT1 01 674 7659 4764, typically lasts 3–5 years before functional replacement becomes necessary (spring bar attachment failure or leather deterioration). Premium shell cordovan can extend this interval to 5–7 years. Actual longevity depends on intensity of use, climatic conditions (humidity, heat), maintenance frequency (cleaning, conditioning), and storage when unworn. Alligator, owing to its denser fibre structure, generally achieves 4–6 years under active sporting use.
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
