Strap for Superocean Heritage II 46 Chronograph Stainless Steel / Black / Black / Calf / Folding

The lug width of the Breitling Superocean Heritage A1331212/BF78/440X/A20D.1 is 24 millimetres. This dimension is carefully calibrated to maintain visual balance between the 46mm case diameter and the wearer's wrist. Measurement is taken from the internal base of one lug to the other using digital callipers or a thin ruler, with the finger positioned between the case and the lug seat.

For this Heritage diver, we recommend three primary solutions. Black or navy alligator delivers formal elegance and clean contrast against the steel case. Vegetable-tanned Italian calf leather ensures authenticity and develops natural patina over time. To preserve the watch's aquatic vocation, a fabric-rubber NATO strap in grey-blue or black maintains functionality and comfort without compromise. Shell cordovan is not recommended due to its vulnerability to moisture.

The Superocean Heritage features a screw-down crown. To change the strap, gently unscrew the crown at the 0 (normal) position, then remove the lug pins using a dedicated pin extractor or small hammer and drift pin. Remove the original strap, insert the new one at the first lug, reinsert the pin, and repeat for the second lug. Screw the crown back down. If inexperienced, consult a specialist service.

Yes. Milano Straps offers a comprehensive selection of 24mm artisanal leather straps, alligator, vegetable-tanned calf, NATO, and rubber options, all compatible with the Breitling Superocean Heritage A1331212/BF78/440X/A20D.1. Straps are customisable in length, initials, and thread colour. Consult the dedicated 24mm strap collection for available options.

Lifespan varies by material and usage. A vegetable-tanned calf strap lasts 2–4 years under daily wear, developing distinctive patina. Alligator is more resilient and may last 5–7 years. Original Breitling vulcanised rubber is exceptionally durable but requires regular cleaning. All Milano Straps leather straps include an 18-month warranty and can be restored by the Casati Milano atelier.