This is BLS Pure rubber version, and we now only have normal edition buckle for it, you can check from https://www.buystrap.com/watch-buckle/for-breitling/aftermarket-20mm-black-and-silver-steel-buckle-for-breitling-watch-strap.html
if you have your own original buckle, then you can use it, the buckle should be 20mm
PRODUCT SPECIFICATIONS
| Band Width | 22mm |
|---|---|
| Band Color | WHITE |
| Buckle Color | |
| Buckle Size | 20mm |
| Length | 20cm |
| Thickness | |
| Band Material | RUBBER |
| Spring Bars | |
| Waterproof | YES |
| Hypo Allergenic | No |
| WITH BUCKLE | OPTIONAL |
| Model | BSBREIT019 |
BUYSTRAP.COM now provide free shipping worldwide (order USD 100 or more), normally we use EUB, EMS, it will take about 15-30 days to your city, if you need urgent shipment, then we recommend DHL, will charge USD 38 for every order.
