Comparative Review – the Breitling Chronomat B01 vs. the IWC Ingenieur Chronograph – WatchTime Wednesday

A watch with an in-house chronograph development is something very unique. As of not long ago, even some well-set up brands didn't offer their own production line fabricated development with a stopwatch work. It's no big surprise such developments are uncommon: a chronograph is a huge  complication  whose usage requires tremendous consideration and attention. For the longest time sports-watch brands like  IWC  and  Breitling  didn't produce their own chronograph developments, ...

Comparative Review – the Breitling Chronomat B01 vs. the IWC Ingenieur Chronograph – WatchTime Wednesday

A watch with an in-house chronograph development is something very unique. As of not long ago, even some well-set up brands didn’t offer their own production line fabricated development with a stopwatch work. It’s no big surprise such developments are uncommon: a chronograph is a huge  complication  whose usage requires tremendous consideration and attention. For the longest time sports-watch brands like  IWC  and  Breitling  didn’t produce their own chronograph developments, by the same token. However, things have as of late changed at these two companies: at the 2009 Baselworld observe reasonable, Breitling presented its since a long time ago foreseen in-house development, the B01, and the solitary watch model to contain this development, fittingly named the  Chronomat B01 . IWC introduced its Ingenieur Chronograph at Geneva’s SIHH observe reasonable in mid 2009, with an in-house development that appeared in 2007 in the company’s  Da Vinci  chronograph. It’s presently an ideal opportunity to compare them, in an inside and out review made with our companions at WatchTime.

The Breitling Chronomat B01 dependably follows the Breitling pilot-watch custom. Its contemporary plan incorporates useful subtleties like a rotating  bezel  just as other plan components that are absolutely ornamental. An extraordinary meticulousness is obvious on the dial, whose focal component is a square with its edges characterized by the middle purposes of the three  subdials . The furrowed examples in the subdials change as indicated by which half falls inside this square zone: outside the square, the example is transmitting circles; inside, it is vertical edges. The hour-counter subdial at 6 o’clock is isolated into quarters. The hands on the subdials join the square shape, and the quarter-hour markers on the bezel are additionally square. Indeed, even the rakish typography of the numerals on the subdials and bezel (with its square “zero”) support this striking style. The three diverse numeral text styles add interest, yet for this situation, more limitation would have offered a more grounded generally speaking expression, and the text style of the numerals on the bezel takes some becoming accustomed to. As a rule, however, we preferred the plan of the Chronomat B01 very much.

The IWC watch establishes a significantly sturdier in general connection because of its bigger width. All the numerals are executed in a similar sort found on other Ingenieur models. The champion highlights of the gg Ingenieur Chronograph’s dial are the subdials situated at the top and base, with a silver furrowed design that sets them off from the remainder of the dark principle dial. A mathematical example fills the inward part of the dial. Iridescent covering is applied profound inside the scores of the silver-hued markers, whose shape mirrors the prolonged hour and moment hands. The Ingenieur case has rectangular pushers that are flawlessly incorporated with the crown monitor and bezel.

The Ingenieur is just accessible with a solitary dial type and in two case materials (steel or rose gold). The Breitling Chronomat B01 is accessible with a wide scope of various dials, with markers or Roman numerals, in steel or gold (or different combinations), and with various lashes and bracelets.

The time and date are not difficult to peruse on the dark dial of the Breitling watch. Nonetheless, it’s somewhat hard to peruse the slipped by minutes and hours on the little subdials with their silver hands. The IWC chalks up twofold the focuses in this class. Above all else, and rather shockingly, here the silver hands furnish spectacular difference with the silver subdials. Likewise, the slipped by minutes and hours are shrewdly combined on the top subdial with simple to-peruse 12-hour and 60-minute divisions, as in a second-time-region show. The impact is more striking over longer coordinated periods than more limited ones, and numerals on the hour track would have been useful. Be that as it may, the sheer size of the dial helps in legibility.

The opposite side of the coin? The IWC Ingenieur’s 45.5-mm case needs the width of an enormous wrist as a balance. The watch overpowers an ordinary wrist and doesn’t fit cozily. On a steel arm band, it feels unbalanced thus should be worn firmly to hold it back from sliding around. Conversely, the Breitling Chronomat B01 doesn’t show up excessively enormous in spite of its breadth of 43.5 mm, and it’s likewise more comfortable to wear. It lies cozily against the wrist, thanks to some degree to the graceful elastic tie and flexible lash expansion incorporated into the fasten. The Breitling catch has a two-button arrangement framework that is appealing, simple to utilize and pleasantly wrapped up. The elastic lash shows up very plain in comparison; fortunately, the Chronomat likewise comes with a crocodile or calfskin tie or a metal bracelet.

The IWC Ingenieur Chronograph is likewise accessible with a crocodile tie or a hardened steel wristband. The wristband can be changed without a screwdriver, and the single-button deployant catch is shockingly level. In any case, the two pivoted portions of the catch are made of slender metal and shouldn’t be exposed to abundance pressure when open. Both wristband and catch gloat eminent completing: the arm band’s cautiously sloped and cleaned edges feature the line finish on any remaining surfaces, completely coordinating the uncommonly fine completing on the watch case.

The IWC Ingenieur’s two huge pushers are not difficult to utilize. The screw-down crown is additionally enormous enough to effortlessly handle and turn. The hack component and snappy date change improve on the exact setting of the time and date.

Breitling’s watch additionally incorporates both of these valuable highlights. As opposed to the Valjoux 7750, these two manufacture movements permit the date to be changed just before 12 o’clock without risking harming the development. The fluted crown on the Breitling Chronomat is not difficult to handle and turn, and the pushers are additionally screwed. Albeit this makes utilizing the chronograph work to some degree more abnormal, it gives more noteworthy insurance to the pushers and expands the water-opposition of the watch to 500 meters. Shockingly, you’ll need to press the catch rather immovably to begin the chronograph, because of the plan of the chronograph switches. The Chronomat’s unidirectional pivoting bezel has 240 tightens and turns easily yet ought to be simpler to grasp.

Interestingly, the elements of the two developments change just marginally. Each has an amazingly long force hold of over three days. Also, the two developments are outfitted with a bidirectional winding framework and have an exquisite section wheel instrument. However, in the event that you analyze the developments (and you’ll need to eliminate the caseback from the Breitling to do this) the distinctions are quickly clear. While IWC utilizes a similar programmed stun insurance rotor connect as in its Ingenieur development 80111, the Breitling shows up to some degree more traditional. Breitling gains favor with a licensed self-focusing framework for the zero position resetting hammers, a schedule with a quickly propelling date, and particularly for the advanced vertical grip that forestalls the chronograph seconds hand from hopping when it starts. Breitling added a stun retaining get away from wheel to make the watch more impervious to impacts. Another reward: the development incorporates a record gathering that permits the wearer to rapidly and effectively change the watch’s rate to their favored speed. Breitling additionally delivers its mainplates and scaffolds in-house, and sets its own gems as well.

For the 89360 type, IWC built up another twofold pawl winding framework dependent on its standard Pellaton winding framework. With two twofold pawl winders, it copies the quantity of pawls that push and pull to wind the fountainhead. They are not, at this point controlled with a cam however by a wrench like the sort utilized in vehicles. The pawls are orchestrated to apply winding force even at the smallest movement of the rotor. This winding framework is supposed to be 30% more effective than its archetype, making it conceivable to diminish the heaviness of the rotor and consequently lessen wear. The development includes a free-sprung wavering framework, an indication of top caliber. Also, the flyback work in the IWC Ingenieur Chronograph (not highlighted for the sake of the model, as is generally the situation) requires a lot of time and exertion in the plan stage. The moment counter doesn’t bounce, however progresses gradually. Shockingly, the date plate moves gradually, as well, and starts noticeably progressing at 11 o’clock.

The two developments are comparable in their level of adornment, with different completions, perlage on the  mainplate  and cleaned screw heads. The patterns on the IWC rotor give a pleasant perspective on the development, however couple of edges show slanting or polishing. Like the Valjoux 7750, IWC’s development utilizes a shaking pinion for its chronograph grasp. This arrangement was created to work on the chronograph yet has demonstrated to be fundamental. The hub of the pinion is moved distinctly on one side and makes the wheels lock in. IWC has made an uncommon shape for the 240 teeth on the chrono-sprinter to limit hopping of the chronograph seconds hand. Both watches contain stepped and cleaned switches, which help us to remember those on the Valjoux 7750. Machined switches would have been exceptional options. The two developments in this way show a hodgepodge of highlights, combining great components with parts one normally finds in lower-grade movements.

This combination of various evaluation components has no negative impact on the rate results by any means. The two watches have exceptionally precise rate results, which one would unquestionably anticipate from Breitling with its chronometer accreditation. The B01, similar to each Breitling development, is submitted to  COSC , the Swiss directing position that gives the testaments, which subjects eeach development to 15 days of thorough testing, and every one should adjust to the office’s exacting guidelines. In our test watch the B01 type satisfied these guidelines, with a beat blunder of close to five seconds out of every day between each position and a normal deviation of just +0.2 seconds. IWC Caliber 89360 kept up the speed, with a normal deviation of +1.3 seconds with the best contrast just three seconds. Additionally, the IWC shows practically these equivalent outcomes when the chronograph is running.

Even however the watches run in a dead heat in virtually all regards, there is a colossal uniqueness in their costs: The cost of the Breitling Chronomat B01 is near the half of the IWC Ingenieur Chronograph. In any event, when the two watches are outfitted with a comparative lash or arm band, the IWC actually costs substantially more than the Breitling. Forthcoming purchasers for whom cost isn’t an issue can choose exclusively for the plan that best suits their own style.



  • Striking design
  • Superb clasp
  • Reasonable price
  • Good rate results


  • No show caseback
  • Stiff chronograph-start pusher


  • Manufacturer: Breitling Chronometrie, Allée du Laser 10, CH-2300 La Chaux-de-Fonds, Switzerland
  • Reference number: AB0110-1022
  • Functions: Hours, minutes, seconds; date; chronograph with seconds, 30-moment and 12-hour counters; unidirectional rotating bezel
  • Movement: Caliber B01, programmed; 28,800 vph; 47 gems; Kif stun assimilation, Glucydur balance; wavering framework with controller and offbeat screw; distance across = 30 mm; tallness = 7.2 mm; 70–hour power reserve
  • Case: Stainless steel, twofold sided non-intelligent precious stone, completely strung treated steel caseback, screw-down pushers and crown, water-impervious to 500 meters
  • Strap and clasp: Natural elastic tie with two-button, treated steel wellbeing collapsing clasp
  • Dimensions: Diameter = 43.5 mm, stature = 16 mm, weight = 175 grams



  • Excellent legibility
  • Exquisitely completed case
  • Excellent rate results


  • Slow date change
  • High price


  • Manufacturer: IWC Schaffhausen, Baumgartenstrasse 15, CH-8201 Schaffhausen, Switzerland
  • Reference number: IWC378401
  • Functions: Hours, minutes, seconds; date; flyback chronograph with seconds, 60-moment and 12-hour counters
  • Movement: Caliber 89360, programmed; 28,800 vph; 40 gems; Incabloc stun ingestion; Glucydur balance; fine guideline with balance screws; distance across = 30 mm; tallness = 7.5 mm; 68-hour power reserve
  • Case: Stainless steel, twofold sided non-intelligent precious stone, completely strung caseback, screw-down crown, water-impervious to 120 meters
  • Bracelet and clasp: Stainless steel wristband with single-button, tempered steel security collapsing clasp
  • Dimensions: Diameter = 45.5 mm, stature = 15 mm, weight 216 grams

This Article was first distributed on WatchTime here and republished on Monochrome with approval. Photographs by Nik Schölzel.