Oris · Big Crown
Strap for Big Crown Pointer Date 36 Stainless Steel / Green
Takes 17 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The Big Crown 01 754 7749 4067-07 5 17 68G, seen from the bench
Frequently asked questions
What is the lug width of the Oris Big Crown 01 754 7749 4067-07 5 17 68G?
The lug width is precisely 17mm. This parameter represents the distance between the upper and lower attachment pins of the case. Accurate measurement with calliper: position the instrument perpendicular to the pins, from inside lug to inside lug. Tolerance ±0.2mm permitted. Do not use 16mm or 18mm straps, as they will neither secure correctly nor maintain the aesthetic geometry intended by the case design.
Which strap is recommended for the Big Crown 01 754 7749 4067-07 5 17 68G?
Strap selection depends on intended use and desired aesthetics. Alligator or calf leather in vegetable tanning emphasise the dressy-sportive character, developing natural patina over time. NATO in polyamide or cotton maintains the watch in pure instrumental territory, eliminating formal pretension. Vulcanised rubber is ideal for aquatic sports and humid environments. For the Big Crown, we recommend dark brown alligator (cognac/tobacco) or calf in grey-beige tones for formal contexts, NATO in black or navy blue for daily tactical use.
How do I change the strap on the Oris Big Crown 01 754 7749 4067-07 5 17 68G?
Strap replacement is accomplished by extracting the spring bar pins that connect the strap to the case. Tools required: professional spring bar tool or metal needle/toothpick. Procedure: position the tool parallel to the side pins, apply vertical pressure to compress the internal spring, slide the pin outward. Once the lower attachments are freed, rotate the strap and repeat for the upper attachments. Insert the new strap by aligning the holes with the pins, verify that the pins snap securely into position (they must not move laterally).
Can I use an aftermarket compatible strap with the Big Crown 01 754 7749 4067-07 5 17 68G?
Yes, provided the strap has certified 17mm lug width and is constructed with symmetric, robust lugs. Bespoke artisanal straps guarantee precise tolerances and selected materials (alligator, calf, shell cordovan, technical elastomers). Verify that the new strap exhibits no lateral play once mounted on the case pins. Straps from recognised manufacturers (natural leather or NATO textile) maintain aesthetic coherence with the Big Crown's instrumental spirit, avoiding elements of perceptual incongruity.
What is the lifespan of a leather strap for the Big Crown 01 754 7749 4067-07 5 17 68G?
Leather strap longevity depends on material, tanning method and intensity of use. Alligator or calf in vegetable tanning, with moderate daily wear (5-7 days/week, non-extreme environments), guarantees 3-5 years before replacement is required. Natural leather accumulates patina and micro-fissuring in frequently flexed zones (inner wrist), an inevitable process that does not compromise functionality. Synthetic leather straps offer inferior durability (2-3 years). High-humidity environments, prolonged saltwater contact or intensive perspiration significantly reduce lifespan. Periodic application of natural balms (beeswax, mink oil) extends structural resistance.
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
