De Ville cal 1332 strap and buckle

Hi wise fellas,

I am looking for a new strap for my Omega De Ville cal. 1332 (see pic). And maybe a new buckle.
The current strap and buckle was lost, and the current one is about to broke.

- My first question is about the size; I don't know what's the original strap size, 18mm/16mm or 18mm/14mm
Current one is 18mm/14mm single keeper.

- My second doubt is about the buckle. How does it look the original buckle?
The current one was purchased later, and probably is not original.

Can you recommend me any strap brand?

Thanks for your knowledge!

Standard size for vintage omegas is 18mm and usually narrows down to 16mm for the buckle.

To answer your second question. There is a guide here on how to spot a fake buckle.
https://omegaforums.net/threads/about-omega-buckles.37347/

Hi,
I found this image in an 81 catalogue.
After measuring a little I think is 18mm/14mm, but it's difficult to estimate this based in this picture.
I only found the type of bucke of the catalogue in 14mm inside.
Does anyone see a 16mm inside buckle with this shape?

They all look like 14mm

From the only picture you have post it for me looks that fit very well you type of band.

Finally I ordered a new custom, single keeper, black calf croco style 18/14 strap. I will keep the buckle, as it seems genuine based on the logos and images from the buckle post.
Thanks for all the suggestions!