Breitling · Transocean

Strap for Transocean Chronograph Unitime Pilot Stainless Steel / Black / Milanese

Takes 24 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width24 mm
Case diameter46 mm
ReferenceAB0510U60.BC26.159A
FamilyTransocean
MovementBreitling caliber Caliber B05 Hours, Minutes, Small Seconds, World Time | Date | Chronograph, Column wheel | Chronometer
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 Transocean AB0510U60.BC26.159A

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Transocean AB0510U60.BC26.159A, seen from the bench

The Transocean is a Breitling GMT watch equipped with the certified chronometer automatic Caliber B05. The movement offers hour, minute, small seconds, world time, date and column-wheel chronograph functions. The case has 24mm lugs for the strap.

Frequently asked questions

What is the lug width of the Breitling Transocean AB0510U60.BC26.159A?

The Breitling Transocean AB0510U60.BC26.159A is equipped with a 24mm lug width. This specific measurement maintains the correct proportional balance between the 46mm case diameter and the strap. To verify compatibility with your particular reference, measure the exact distance between the lug bars on your timepiece, as production tolerances may occasionally vary minimally.

Which strap is ideal for the Breitling Transocean AB0510U60.BC26.159A?

We recommend aniline-dyed alligator for the historical aviator character, or vegetable-tanned calf leather if you prefer a patina that develops naturally over time. A cordura NATO maintains the military heritage of the watch, while buna rubber ensures practicality during travel conditions. The choice depends on your intended usage pattern and personal aesthetic preference.

How do I change the strap on a 24mm watch?

Gently remove the current strap using a spring bar remover to extract the elastic pins from the lug holes. Align the new strap holes with the pins and press until you hear a click confirming closure. Verify the strap sits equidistantly from both sides of the case. A deployante facilitates rapid detachment throughout the day.

Can I use an aftermarket strap on this Breitling?

Yes, any strap with a 24mm lug width is compatible. Milano Straps offers artisanal straps in various leather types and materials, all verified for fit and tolerance standards. Select according to your aesthetic preference: the important factor is maintaining quality standards to protect the case lugs.

How long does a natural leather strap last on a 24mm watch?

Durability varies according to frequency of wear, environmental conditions, and material quality. Vegetable-tanned calf typically resists 3-4 years with daily wear, while aniline-dyed alligator achieves 5-6 years. Humidity accelerates ageing. Milano Straps guarantees 18 months on custom straps and recommends preventative replacements before critical wear occurs.

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.

Request an appointment →

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