Breitling · Navitimer

Strap for Navitimer World Red Gold / Black / Calf / 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
ReferenceH2432212/B928/439X/R20BA.1
FamilyNavitimer
MovementBreitling caliber 24 Additional 24 hours Hand (adjustable), hours, minutes, small seconds | date | Chronograph
Year2005
CaseRed Gold

Spring bar

Swiss Standard universal spring bars

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

Straps for the Navitimer H2432212/B928/439X/R20BA.1

Selected for the 24 mm lug width · workshop selection

All 24 mm straps →

The Navitimer H2432212/B928/439X/R20BA.1, seen from the bench

The Breitling Navitimer H2432212/B928/439X/R20BA.1 is a 46mm Red Gold chronograph representing the contemporary evolution of an aviation icon from 1952. It features the manual-wind Breitling caliber 24 movement with 24-hour function, date, and integrated chronograph. The Red Gold case, crafted from 18-karat gold with copper alloy for its characteristic rose tone, pairs with a 24mm lug width. The rotating beaded bezel enables aeronautical calculations for speed, fuel consumption, and conversions, maintaining the original design's functionality for professional pilots.

Frequently asked questions

What is the lug width of the Breitling Navitimer H2432212/B928/439X/R20BA.1?

The lug width of this Navitimer is precisely 24mm. This measurement represents the distance between the two lateral lugs on the case where the strap is attached. It is a non-negotiable parameter: a strap of different width (20mm, 22mm) will not fit correctly on the case. To verify the compatibility of an aftermarket strap, measure the distance between the lugs using a digital calliper or consult the official Breitling documentation.

What type of strap is recommended for the 46mm Red Gold Navitimer?

For this Red Gold reference, alligator leather with regular scale texture represents the ultimate prestige choice, creating aesthetic dialogue with the rose gold without visual competition. Vegetable-tanned calf offers versatility and evolved patina over time, ideal for those seeking an object that improves with use. Shell cordovan remains a refined option for exceptional lustre and durability. For active aviation contexts, rubber or NATO straps ensure functionality and easy maintenance. In all cases, a deployante (safety fold clasp) is the recommended architecture.

How do you change the strap on this Navitimer?

The strap is replaced by removing the spring bars from the lugs using a spring bar tool (a small instrument with flat tips). Position the tool beneath the spring bar on the inner side of the case, gently push upward to compress the internal spring, and slide the bar out of the lug. Once both bars are extracted, remove the old strap. Insert the new strap onto the lugs, align the spring bars, and reinsert them until they click audibly into position. Verify that the strap rests uniformly on both sides of the case.

Which aftermarket strap is compatible and recommended for the Breitling Navitimer H2432212/B928/439X/R20BA.1?

Any strap with a 24mm lug width is technically compatible with this Navitimer. MilanoStraps offers a selection of artisanal 24mm straps in alligator, calf, shell cordovan, and rubber, customisable in size, initials, and stitching colour. For optimal fitting experience and material selection consultation, the Casati Milano atelier creates bespoke straps with direct leather selection, 18-month warranty, and WhatsApp support throughout the process.

How long does a leather strap last on a chronograph of this category?

Durability depends on the material chosen, usage conditions, and maintenance. Alligator and shell cordovan offer exceptional resistance (8-12 years if exposed to moderate wear), whilst vegetable-tanned calf lasts an average of 5-7 years before showing visible signs of ageing (which may be desired for patina aesthetics). Tropical rubber straps maintain structural integrity for 6-8 years. Stitching is typically the first element to fail: MilanoStraps guarantees 18 months of stitching repair coverage. To maximise durability, avoid prolonged exposure to direct sunlight, humidity, and chlorine, and alternate regular wear with rest periods.

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