Oris
Big Crown 01 754 7741 4087-Set LS— lug 20mm
Oris Big Crown 01 754 7741 4087-Set LS: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Oris 01 754 7741 4087-Set LSThe essential strap measurement.
Browse 20mm straps →01 754 7741 4087-Set LS
Oris caliber Oris 754 Hours, Minutes, Seconds | Date
The Heritage
Compatible Straps
Selected for the 20mm lug width of the Big Crown
FAQ
What is the lug width of the Oris Big Crown 01 754 7741 4087-Set LS?
The lug width of the Big Crown 01 754 7741 4087-Set LS is 20mm, the constructive standard that determines the strap width required. To verify correctly: use a digital calliper and measure the space between the two lugs of the case at the midpoint. This dimension is fixed and compatible with the entire range of 20mm artisanal straps offered by Milano Straps.
Which strap is recommended for the Oris Big Crown 01 754 7741 4087-Set LS?
The choice depends on intended use. For formal settings: alligator leather or shell cordovan with vegetable tanning. For sports and daily wear: vegetable-tanned or chrome-tanned calf in brown or black, or synthetic NATO in navy blue. For water activities: natural vulcanised rubber, which maintains grip even with wet skin and resists humidity. The watch itself allows every colour pairing without visual conflicts.
How do you change the strap on an Oris Big Crown 01 754 7741 4087-Set LS?
Strap change occurs via spring bars, positioned horizontally within each lug. Use a dedicated tool (spring bar tool) to compress the pin and extract it from its seat. Remove the old strap, position the new one and reinsert the pin until completely engaged. Verify that the strap is straight and the pin is fully seated. If alternating straps frequently, a deployant clasp with double locking facilitates operations and reduces wear on pins.
Is an aftermarket strap compatible with the Oris Big Crown 01 754 7741 4087-Set LS?
Yes, entirely. Any artisanal strap with a 20mm lug width fits perfectly. The straps offered by Milano Straps for the 20mm size are tested for mechanical and aesthetic compatibility with the Big Crown. No adjustment or modification to the case is necessary. Artisanal construction quality guarantees dimensional uniformity and longevity superior to mass-produced straps.
How long does a leather strap last on the Oris Big Crown 01 754 7741 4087-Set LS?
Durability depends on the tanning type and maintenance. A quality vegetable-tanned leather strap lasts 2-4 years of daily wear if protected from excessive humidity and subjected to periodic cleaning. More delicate chrome-tanned calf lasts 18-30 months. Vulcanised rubber guarantees 3-5 years of use without visible degradation. Dry environment, drying after accidental immersion, and avoidance of permanent creasing significantly extend strap life.