Breitling · Avenger and Navitimer

Breitling A32320101B1X1 vs Breitling AB0138241C1P1

16 published specifications differ between these two, and 2 are identical. Every figure below is what the manufacturer states for that reference; nothing is inferred from the other watch.

What differs

Specification	Breitling Avenger Automatic GMT 44, black dial, calfskin strapA32320101B1X1	Breitling Navitimer B01 Chronograph 43, ice blue dial, alligator strapAB0138241C1P1
Case	Stainless steel, 44 mm	Stainless steel, 43 mm
Diameter	44 mm	43 mm
Thickness	12.05 mm	13.69 mm
Lug width	22.05 mm	22 mm
Water resistance	30 bars (300 m / 990 ft)	3 bars (30 m / 99 ft)
Bezel	Rotating pinion bezel with 24-timezone indication	Bidirectional, slide rule
Dial	Black, as stated in the page description	Ice blue, as stated in the page description
Case back	Screwed in	Screwed in (sapphire crystal)
Crown	Screw-locked, two gaskets	Non screw-locked, two gaskets
Bracelet	Calfskin leather strap, anthracite, straight, 22/20 mm	Alligator leather strap, black, straight, 22/18 mm
Clasp	Stainless steel folding clasp, 20 mm	Stainless steel folding clasp, 18 mm
Calibre	Breitling 32	Breitling 01 (Manufacture)
Movement	Self-winding mechanical, 2nd timezone (24 hr)	Self-winding mechanical
Power reserve	Approximately 42 hours	Approximately 70 hours
Jewels	25	47
Movement notes	Calendar shown in a dial aperture.	Chronograph to 1/4th second, with 30-minute and 12-hour totalisers. Calendar shown in a dial aperture.

What is identical

Worth knowing as much as the differences: these are the specifications you cannot use to tell the two apart.

Crystal: Cambered sapphire, glareproofed both sides
Frequency: 28,800 v.p.h

What the differences cost you

Each note below follows from the published figures in the tables above — what they mean for intake, for a listing, and for the handover. Nothing here estimates a price or a margin.

A visible difference in how they wear

1.6 mm of thickness separates these, with the AB0138241C1P1 the taller at 13.7 mm. That is the difference between a watch that goes under a cuff and one that catches on it — worth a photograph from the side rather than a number in a table.

Do not describe these the same way

The AB0138241C1P1 is rated to 30 metres and the A32320101B1X1 to 300. A rating is a factory figure for a new watch with fresh gaskets, not a promise about a used one — but the gap still matters in writing. Describe the AB0138241C1P1 in words a buyer can act on, and do not let a template carry the A32320101B1X1's language onto it.

One survives the weekend and one does not

70 hours on the AB0138241C1P1 against 42 on the A32320101B1X1. Below about sixty hours a watch left off the wrist from Friday is stopped by Monday. Wind both fully at intake and confirm they reach the stated figure — a short reserve leaves a tired barrel nowhere to hide, and it is the kind of fault a buyer reports in week two.

Different movements to verify and to service

The A32320101B1X1 runs the Breitling 32 and the AB0138241C1P1 the Breitling 01 (Manufacture). Two consequences at intake: the service history that is normal for one calibre is not evidence about the other, and the calibre is the check that catches a movement swapped into the wrong case. Confirm the movement matches the reference rather than assuming it from the dial.

What to check on each

A32320101B1X1

Turn the bezel using its pinion and confirm the ring answers smoothly in both directions. This bezel is geared rather than gripped, so a damaged pinion leaves a bezel that cannot be moved at all.
Line up a city on the 24-timezone ring against the 24-hour hand and check the alignment is exact rather than approximate. A geared bezel that has slipped on its pinion reads wrong everywhere at once.
Note the thickness before quoting it. At 12.05 mm this is slimmer than several 42 mm watches documented here, which is a genuine selling point against the 44 mm diameter.

AB0138241C1P1

Tell the buyer the water resistance is 3 bars before the watch ships. That is 30 metres with a crown that does not screw down, and a buyer who assumes a chronograph is a swimming watch will find out at your expense.
Turn the slide rule bezel through a full revolution and check it moves freely in both directions without slipping. It is bidirectional by design here, and a computation bezel that binds has lost its function.
Run the chronograph for a full twelve hours and read all three registers. This calibre records quarter seconds, 30 minutes and 12 hours, so a shorter test only exercises part of the mechanism.

Sources

Not affiliated with Breitling. Specifications are read from each manufacturer's own published documentation on the dates shown and may change; the manufacturer's current documentation governs.