Oris
Aquis 01 733 7730 4175-Set— lug 21mm
Oris Aquis 01 733 7730 4175-Set: 21mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 21mm lug width to preserve the original sartorial balance."
Technical Specifications
Oris 01 733 7730 4175-SetThe essential strap measurement.
Browse 21mm straps →01 733 7730 4175-Set
Oris caliber Oris 733 Hours, Minutes, Seconds | Date
The Heritage
Compatible Straps
Selected for the 21mm lug width of the Aquis
FAQ
What is the exact lug width of the Oris Aquis 01 733 7730 4175-Set?
The lug width of the Oris Aquis 01 733 7730 4175-Set is 21 mm. This dimension measures the distance between the two case attachment pins and determines compatibility with aftermarket straps. Accurate measurement requires a digital calliper positioned perpendicularly between the inner points of the pins.
Which strap is best suited for the Oris Aquis 01 733 7730 4175-Set?
The Oris Aquis 01 733 7730 4175-Set performs best with three strap categories: (1) alligator with vegetable tanning for sophisticated aesthetics and controlled patina development; (2) fine-grain calf for daily elegance; (3) technical rubber for maximum underwater functionality. Your choice depends on intended use: formal-sporty, sporty-elegant, or pure tool-watch.
How do I change the strap on the Oris Aquis 01 733 7730 4175-Set?
To change the strap, you must remove the spring bars using a case opener tool or dedicated strap removal instrument. Position the watch securely with the case facing upwards, insert the tool into the small hole at the base of each lug, and gently press to release spring tension. The replacement strap must have lugs compatible with 21 mm spacing. If unsure of the procedure, consult an authorised service centre to avoid case damage.
Which aftermarket straps are compatible with this Oris model?
Aftermarket straps compatible with the Oris Aquis 01 733 7730 4175-Set must feature a 21 mm lug width. This excludes standard 20 mm straps. Compatible materials include: alligator, calf, shell cordovan, Horween leather, NATO textiles, and synthetic rubber. Always verify that material thickness does not exceed available clearance between the lug and case body.
How long do leather straps last on the Oris Aquis?
Leather strap longevity for the Oris Aquis depends on tanning quality and usage patterns. A vegetable-tanned alligator or calf strap may last 8–12 years of moderate wear, developing desirable patina. Chrome-tanned synthetic straps have a shorter lifespan of 4–6 years. Constant exposure to perspiration, salt water, and sunlight reduces durability. Rubber straps, conversely, last 5–7 years and do not patina: replacement occurs when texture fatigue becomes visible.