Strap for Colt 41 Automatic Mariner Blue / Rubber

The lug width of the Breitling Colt A1731311.C934.229S is 20mm. This measurement is taken internally between the two case lugs and is compatible with the wide range of standard 20mm straps available on milanostraps.it.

For the Breitling Colt A1731311.C934.229S, a black or midnight blue vegetable-tanned alligator strap complements the restraint of the steel case. For sporting use or humid conditions, a vulcanised rubber strap is the most practical choice. A technical nylon NATO strap authentically references the Colt's avionic heritage.

To replace the strap on the Breitling Colt A1731311.C934.229S, you will need a spring bar tool, available in professional or standard versions. Insert the tip into the lug hole or directly between the spring bar and the lug horn, compress the bar and slide the strap free. Take care not to scratch the stainless steel case. If in doubt, consult a watchmaker or visit the Casati Milano atelier.

Yes, numerous aftermarket straps are compatible with the Breitling Colt A1731311.C934.229S thanks to its standard 20mm lug width. On milanostraps.it you will find a curated selection of artisanal leather, rubber and nylon straps specifically sized for this measurement. For a bespoke strap with personalised material selection and buckle choice, Casati Milano offers a made-to-measure service by appointment.

The lifespan of a leather strap on the Breitling Colt A1731311.C934.229S depends on the type of leather and frequency of wear. A quality calfskin strap with vegetable tanning can last between 2 and 4 years with regular use. A well-maintained alligator strap can exceed 5 years. Prolonged contact with water and perspiration should be avoided, and a neutral leather conditioner should be applied periodically to keep the leather supple.