What is the slide rule bezel on a Breitling Navitimer for?

The Navitimer's rotating slide rule bezel lets a pilot perform flight calculations such as fuel burn, airspeed, climb rate and unit conversions by aligning the outer and inner scales. It is a functional aviation tool that became the watch's defining visual signature, even though most owners today use it as a design feature rather than for navigation.

Are Breitling watches chronometer certified?

The large majority of modern Breitling watches carry COSC chronometer certification, meaning the movement has been independently tested for accuracy within strict tolerances. The brand markets this heavily. Certification is usually noted on the dial with the word 'Chronometre,' though the exact status depends on the specific model and reference.

Is a Breitling a good investment?

Most Breitling watches are best bought to wear, as they typically sell used below retail like the majority of watches. Vintage Navitimers and certain rare references are the collectible exceptions. Treat any value figure as an AI estimate, check recent sold prices for your exact reference, and factor in chronograph service costs before buying to hold value.

How do I identify which Breitling model I have?

Start with the dial name and the bezel type, then count the sub-dials and note the case material. The reference on the caseback pins down the exact variant. If you are unsure, photograph the dial and caseback and let AI Watch Identifier suggest the model and a likely reference, then confirm it against the engravings.

💎 Iconic Brands

Breitling — Instruments for Professionals

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By Saatçi Fikret

Watch experts & horology writers · Updated 2026-07-17

Founded in 1884, Breitling made its name building chronographs and cockpit instruments for pilots. Its watches are big, legible and unashamedly technical, tools first and jewelry second.

The Chronograph Pioneers

Breitling helped shape the modern chronograph. It introduced the separate chronograph pushpiece and later the second reset pusher, turning the stopwatch into the two-button layout we still use. It also supplied cockpit clocks to aircraft manufacturers, and for years its watches were tools trusted by professional pilots and military aviators rather than fashion pieces, an identity the brand still leans on today.

The Watches That Define Breitling

Navitimer — The pilot's chronograph with a circular slide rule bezel for flight calculations, a Breitling signature since 1952.
Superocean — A bold, high-visibility dive watch line.
Chronomat — A muscular sports chronograph with a rider-tab bezel, originally tied to aerobatic squadrons.
Premier — A more classic, dressier take on the Breitling chronograph.
Avenger — Oversized, rugged pilot watches.

Movements and Certification

Breitling makes a strong point of accuracy: the large majority of its watches are COSC chronometer certified. Its in-house Caliber 01 chronograph offers around a 70-hour power reserve and a column-wheel, vertical-clutch design. Older and some current models also use well-regarded Swiss movements, so identifying the caliber helps set expectations for service and value.

What to Look For

The winged "B" logo and "Breitling" wordmark sit on the dial, often with "Chronometre" or "1884."
The Navitimer's slide-rule bezel is unmistakable; count the sub-dials to distinguish variants.
Reference numbers combine letters and digits (for example AB, UB) and are engraved on the caseback.
Modern Breitling has slimmed some cases, so proportions help date a piece.

Identifying and Valuing a Breitling With AI Watch Identifier

With many chronograph variants sharing dial furniture, telling one Navitimer or Chronomat from another by eye takes a careful look. Photograph the dial straight-on, capture the caseback reference, and AI Watch Identifier reads the bezel type, sub-dial layout, case shape and text to return the model, a likely reference and an estimated value range in seconds.

Remember the value is an AI estimate from a photo rather than a professional appraisal. Breitling prices vary between quartz and mechanical versions, precious-metal and steel cases, and vintage versus modern pieces, so confirm anything significant against the engravings and recent sold prices.

Where Breitling Sits Today

Breitling lives in the accessible-luxury tier, with strong aviation and diving credibility and near-universal chronometer certification. Recent designs under new leadership have leaned into cleaner, retro-inspired looks and slimmer cases that broadened its appeal beyond the oversized style of the 2000s. Most models are daily-wear tools rather than investments, though early Navitimers and rare references are actively collected.

Frequently Asked Questions

What is the slide rule bezel on a Breitling Navitimer for?: The Navitimer's rotating slide rule bezel lets a pilot perform flight calculations such as fuel burn, airspeed, climb rate and unit conversions by aligning the outer and inner scales. It is a functional aviation tool that became the watch's defining visual signature, even though most owners today use it as a design feature rather than for navigation.
Are Breitling watches chronometer certified?: The large majority of modern Breitling watches carry COSC chronometer certification, meaning the movement has been independently tested for accuracy within strict tolerances. The brand markets this heavily. Certification is usually noted on the dial with the word 'Chronometre,' though the exact status depends on the specific model and reference.
Is a Breitling a good investment?: Most Breitling watches are best bought to wear, as they typically sell used below retail like the majority of watches. Vintage Navitimers and certain rare references are the collectible exceptions. Treat any value figure as an AI estimate, check recent sold prices for your exact reference, and factor in chronograph service costs before buying to hold value.
How do I identify which Breitling model I have?: Start with the dial name and the bezel type, then count the sub-dials and note the case material. The reference on the caseback pins down the exact variant. If you are unsure, photograph the dial and caseback and let AI Watch Identifier suggest the model and a likely reference, then confirm it against the engravings.

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