Breitling · Colt

Strap for Colt Oceane Black / Bracelet

Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width16 mm
Case diameter33 mm
ReferenceA7738011.B785.813A
FamilyColt
MovementBreitling caliber 77 hours, minutes, seconds | date | chronometer
Year2006 - 2011
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Colt A7738011.B785.813A

Selected for the 16 mm lug width

All 16 mm straps →

The Colt A7738011.B785.813A, seen from the bench

The Breitling Colt A7738011.B785.813A is a 33.20mm stainless steel sports watch designed for demanding operational environments including aviation, diving, and military use. It features the in-house Breitling caliber 77 movement with COSC chronometer certification, delivering hours, minutes, seconds, and date functions. The instrument-focused design includes a screw-down crown for water resistance and mineral crystal. The 16mm lug width is a specific construction detail of this Colt configuration and requires careful strap selection, as most standard straps range from 18-20mm.

Frequently asked questions

What is the lug width of the Breitling Colt A7738011.B785.813A?

The Breitling Colt A7738011.B785.813A features a lug width of 16mm. This is a non-standard measurement within Breitling's sports watch range, requiring a targeted search for compatible straps. Before purchasing an aftermarket strap, it is advisable to verify the measurement using a digital calliper placed internally between the two lugs.

What is the best strap for the Breitling Colt A7738011.B785.813A?

The ideal choice depends on the intended context. For a dress-sport pairing, vegetable-tanned alligator leather complements the stainless steel case finishing beautifully. For versatile daily wear, smooth calfskin in black or havana brown strikes the most balanced note. For outdoor or water-related use, a technical rubber strap maintains coherence with the Colt's instrumental character. A NATO nylon strap references the military heritage of the Colt family.

How do you change the strap on the Breitling Colt A7738011.B785.813A?

The strap on the Breitling Colt A7738011.B785.813A is replaced using a fine-tipped spring bar tool or a thin flat-head screwdriver, inserted into the spring bar slot on the inner side of the lug. Compress the spring bar, slide out the old strap, and fit the new one. Care should be taken to avoid scratching the steel surfaces; protecting the case with a soft cloth or masking tape is recommended during the operation.

Are there aftermarket straps compatible with the Breitling Colt A7738011.B785.813A?

Yes, a wide range of aftermarket straps is available, provided they conform to the 16mm lug width. Milano Straps offers a curated selection of handcrafted leather, rubber and textile straps specifically filtered for this measurement. It is equally important to verify strap length (standard 115/75mm for average wrists) and buckle type — tang or deployant — to ensure both functional compatibility and aesthetic coherence.

How long does a leather strap last on a Breitling Colt A7738011.B785.813A?

The lifespan of a leather strap depends on hide quality, tanning method and frequency of use. A high-quality alligator or calfskin strap with vegetable tanning, kept away from excessive perspiration and water, can last between three and five years with regular care. Casati Milano straps carry an 18-month guarantee against manufacturing defects. To maximise longevity, rotating between multiple straps and avoiding prolonged exposure to direct sunlight is strongly advised.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only