Oris · Aquis
Strap for Aquis Date 43.5 Stainless Steel / Blue / Rubber
Takes 23 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The Aquis 01 733 7789 4135-07 4 23 35FC, seen from the bench
Frequently asked questions
What is the lug width of the Oris Aquis 01 733 7789 4135-07 4 23 35FC?
The <a href="/pages/termine-glossario/misura-ansa">lug width</a> is 23mm. This specific reference corresponds to a standard width dimension in the modern 43.50mm diver category. A 23mm lug width requires dedicated straps, incompatible with other dimensions. It is essential to verify this specification before purchasing an aftermarket strap to avoid functional misalignment.
What is the best strap type for the Aquis 01 733 7789 4135-07 4 23 35FC?
Given the technical vocation of this diver, the ideal strap depends on intended use. For a formal-sporting context, a <a href="/pages/termine-glossario/shell-cordovan">shell cordovan</a> strap with vegetable tanning imparts elegance without betraying the instrument's nature. For actual aquatic usage or aggressive daily wear, a ballistic NATO strap guarantees practicality and durability. FKM rubber represents maximal technical compromise: impermeability, grip, rapid drying. At Casati Milano, bespoke solutions tailored to your specific requirements are available.
How do I change the strap on the Oris Aquis 01 733 7789 4135-07 4 23 35FC?
Strap replacement requires a specific tool: a spring bar pusher (the small springs fixing the <a href="/pages/termine-glossario/misura-ansa">lug width</a> to the strap). Position the watch on a soft surface, visually locate the spring bar at the centre of the lug, and apply gentle vertical pressure to release the metal tongue from the retention hole. Once the spring bar is extracted, the old strap slides freely. The operation requires controlled pressure: do not force to avoid damage. Those without experience should consult a professional.
Which aftermarket straps are compatible with this Oris model?
Any strap with a 23mm <a href="/pages/termine-glossario/misura-ansa">lug width</a> is technically compatible. Aesthetic compatibility, however, is a matter of refined discernment. An authentic <a href="/pages/termine-glossario/alligatore">alligator</a> strap, for instance, contrasts dialectically with the Aquis sport-utility nature; it functions nonetheless for those inhabiting a routine alternating boardroom and leisure. NATO, rubber and calf leather materials constitute the most coherent choices. Milano Straps offers a curated selection of <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-23mm">23mm straps</a> selected for constructive quality and aesthetic grammar.
What is the estimated lifespan of a leather strap for the Aquis?
A high-quality leather strap, with <a href="/pages/termine-glossario/concia-vegetale">vegetable tanning</a>, subject to adequate maintenance, retains structural integrity for 3-5 years of daily use. Lifespan decreases if exposed to constant moisture or prolonged UV rays. A diver like the Aquis 01 733 7789 4135-07 4 23 35FC, by its nature, experiences frequent water exposure: leather strap employment should be limited to non-aquatic phases of the day. FKM rubber, the tactical alternative, offers lifespan exceeding 7 years in humid environments. Milano Straps recommends seasonal rotation among straps—a practice that extends the average life of each piece.
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
