Breitling · Superocean Heritage

Strap for Superocean Heritage II 46 Stainless Steel / Bronze / Bronze / Croco / Pin

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
ReferenceAB202033/Q618/754P/A20BA.1
FamilySuperocean Heritage
MovementBreitling caliber Caliber B20 Hours, Minutes, Seconds | Date | 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 Superocean Heritage AB202033/Q618/754P/A20BA.1

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Superocean Heritage AB202033/Q618/754P/A20BA.1, seen from the bench

The Breitling Superocean Heritage II 46 AB202033/Q618/754P/A20BA.1 is a 46mm stainless steel diving watch that traces its lineage to 1950s professional diving instruments. It features a unidirectional ceramic bezel, deep black dial, and white gold applied hands. The Breitling Caliber B20 chronometer-certified movement delivers ±5 seconds per day precision and 70-hour power reserve. Water-resistant to 300m with screw-down crown and case back, sapphire crystal, and 24mm lug width.

Frequently asked questions

What is the exact lug width of the Breitling Superocean Heritage AB202033/Q618/754P/A20BA.1?

The lug width is 24mm. This measurement is specific to the model and must fall between 23.8mm and 24.2mm to ensure perfect fit without visible gaps. You can verify this by measuring the perpendicular distance between the inner edges of both lugs using a digital calliper.

What is the best strap for the Breitling Superocean Heritage AB202033/Q618/754P/A20BA.1?

The choice depends on your intended use. Mississippi alligator represents the most refined option for formal settings, with regular grain and controlled aging. Natural calf leather is ideal if you desire evolved patina over time. FKM rubber or NATO fabric straps maintain the watch's instrumental character. Shell cordovan represents a transition between leather and functionality, with magnificent aging development.

How do you change the strap on this Breitling model?

The Superocean Heritage AB202033 features straight lugs with 24mm width. Strap changes require a dedicated tool (spring bar tool or precision screwdriver). Gently remove the spring bars from the lugs by sliding the tool into the horizontal slot of each pin until the old strap releases. Insert the new strap by aligning the holes with the spring bars and apply firm pressure until the retention click is felt.

Are there aftermarket straps available that are compatible with the AB202033/Q618/754P/A20BA.1?

Yes, all straps with 24mm lug width are compatible. Milanostraps.it offers a complete selection of artisanal straps in leather, rubber and fabric specifically sized for 24mm. You may also order custom straps from the Casati Milano atelier with choice of leathers, initials and tailored stitching thread.

How long does a leather strap last on this watch and how to maintain its quality?

A quality artisanal leather strap (alligator, calf, shell cordovan) lasts 3-5 years in daily use, with controlled aging that increases aesthetic character. Longevity depends on vegetable tanning quality and proper maintenance: keep it dry, avoid prolonged humidity exposure and occasionally apply natural-based leather conditioner. A deployante clasp reduces mechanical stress on the lugs, preserving the strap's structural integrity.

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