Oris
Chronoris 01 733 7737 4054-07 8 19 01— lug 19mm
Oris Chronoris 01 733 7737 4054-07 8 19 01: 19mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 19mm lug width to preserve the original sartorial balance."
Technical Specifications
Oris 01 733 7737 4054-07 8 19 01The essential strap measurement.
Browse 19mm straps →01 733 7737 4054-07 8 19 01
Oris caliber Oris 733 Hours, Minutes, Seconds | Date
The Heritage
Compatible Straps
Selected for the 19mm lug width of the Chronoris
FAQ
What is the lug width of the Oris Chronoris 01 733 7737 4054-07 8 19 01?
The lug width is 19 millimetres, measured as the internal distance between the two lugs of the case. This technical specification is unique to this model and requires straps from specialist manufacturers or artisanal producers.
Which strap material suits the Chronoris 01 733 7737 4054-07 8 19 01 best?
For a stainless steel chronograph of this proportion, we recommend vegetable-tanned gum-lined leather (water-resistant), alligator or shell cordovan for formal occasions, or technical nylon NATO for intensive sporting use. Choice depends on environment: urban (leather), active wrist (NATO).
How do you change the strap on the Chronoris 01 733 7737 4054-07 8 19 01?
The lugs use straight springbars without retention springs. Position a spring bar removal tool under the lug slot of the current strap, lift gently until the spring releases, remove the pin. Repeat on the opposite side, insert the springbar ends into the new strap and secure to the lugs.
Is a 20mm strap compatible with this model?
No. The 19mm lug width does not accommodate 20mm straps without compromising fit on the lugs. Forcing a wider strap risks degrading the lug finish and creating undesirable mechanical play.
What is the lifespan of a leather strap on the Chronoris?
A quality vegetable-tanned leather strap, subject to moderate daily use, maintains elasticity and patina for 3-4 years. Sun exposure and humidity accelerate ageing. Periodic maintenance with nutritive creams extends useful life and develops distinguished patina.