IWC · IWC 82000

IWC Portugieser Automatic 40, Big Pilot 43 and Ingenieur power reserve: inside the 82000 calibres

The IWC Portugieser Automatic 40, Big Pilot's Watch 43 and Ingenieur Automatic 42 all run on calibres from IWC's in-house 82000 family, which last about 60 hours fully wound. That's two and a half days off the wrist.

Updated September 2026 · Based on manufacturer specs, published reviews and watchmaker/owner reports

Watches that use the 82000 calibres

The 82000 family is IWC's core in-house automatic. Each version has its own number: the 82200 with small seconds in the Portugieser Automatic 40, the 82100 with central seconds in the Big Pilot's Watch 43, the 82110 with a date in the Ingenieur Automatic 42, and complicated versions such as the 82650 perpetual calendar. They share the same 4 Hz beat, Pellaton winding and 60-hour reserve.

Specs at a glance

History and where it came from

For years, IWC's entry-level watches ran on modified Swiss movements from outside suppliers, while its own in-house calibres sat in more expensive models. The 80000 family, including the calibre 80110 in the 2005 Ingenieur ref. 3227, brought a compact 30 mm in-house automatic to IWC's catalog. The 82000 family is its modern successor, with a longer reserve and more wear-resistant winding.

The defining feature is the Pellaton winding system, named after Albert Pellaton, the IWC engineer who developed it in the 1950s. Instead of a conventional reverser, it uses a pair of pawls that engage in both directions of rotor movement, so the rotor winds the mainspring whichever way it turns. In the 82000 calibres, the pawls and automatic wheel are made of zirconium oxide ceramic, which Monochrome describes as "virtually wear-free".

aBlogtoWatch reported the 82200 in the 2018 Da Vinci Automatic "150 Years" edition. It then went into the new Portugieser Automatic 40 in 2020, which Monochrome called IWC's "entry-level" manufacture movement and a replacement for ETA and Sellita calibres. The 82100 followed in the Big Pilot's Watch 43 in 2021, and in 2025 the Ingenieur Automatic 42 in ceramic got the 82110 with a date. IWC has also used the base for complications, including the Portugieser Perpetual Calendar 42 and the Yacht Club Moon & Tide.

Accuracy in the real world

IWC doesn't publish a daily rate tolerance for the 82000 calibres, and the standard watches aren't COSC-certified. That's unusual at this price, where Omega and Rolex both advertise tight in-house standards, and it means you can't hold a Portugieser Automatic 40 to a specific number under warranty.

What owners on watch forums generally report is good, consistent timekeeping, with the usual variation between individual watches. The 4 Hz beat and a 60-hour barrel mean the rate holds up reasonably well into the second day off the wrist. If yours runs outside what you'd expect from a luxury watch, IWC service can regulate it.

Reliability and servicing

The Pellaton system's ceramic parts are the main reliability story. The pawls and wheel in any automatic winding system are among the parts that wear first, and IWC made them in ceramic specifically to reduce that wear.

• Brand service. IWC services its own calibres, which is the normal route for an in-house movement, and the one to use while it's under warranty.
• Independents. In-house parts are harder for independents to obtain than generic ETA or Sellita parts, so check with a watchmaker before assuming they can take it on.
• Magnetism. The 43 mm Big Pilot doesn't have the soft-iron inner case of the larger Big Pilot. If a watch suddenly runs very fast, magnetism is a common cause and a quick demagnetisation usually fixes it.

Quirks worth knowing

• Not every IWC is an 82000. The Ingenieur Automatic 40 uses the 120-hour 32111, the Portugieser Automatic 42 uses the seven-day 52000 family, and other entry models have used other calibres. Check the reference.
• Small seconds or central seconds. The Portugieser Automatic 40 has a small seconds at 6. The Big Pilot 43 has a central seconds. Both hack.
• No date on most. The Portugieser Automatic 40 and Big Pilot 43 have no date, so a stopped watch only needs the time set. The Ingenieur 42's 82110 adds a date.
• Display backs. Most 82000 watches show the movement through a sapphire back. Monochrome called the finishing "industrial" but "well executed".

How it compares

• Omega 8900: also 60 hours, with Master Chronometer certification for accuracy and magnetism. The Aqua Terra and Planet Ocean movement.
• Rolex 3230: 70 hours and Rolex's published -2/+2 s/day standard, in the Submariner No Date and Explorer.
• Tudor MT5402: 70 hours and COSC certification in the Black Bay 58, at a fraction of the price.
• ETA 2892-A2: the slim Swiss workhorse many brands, IWC included, have used as a base. About 42 hours.

Living with the 60-hour reserve

Sixty hours is two and a half days. Take your Portugieser Automatic 40 off at 7pm on Friday and, from a full wind, it's still running until about 7am on Monday, just about enough to cover a weekend. It's a real improvement on the roughly 40 hours many Swiss automatics offer.

The catch is "from a full wind". A day at a desk might not fill the barrel, so a Big Pilot 43 that went into Friday evening half-wound could stop on Sunday. A few dozen turns of the crown before you put it away gives it the full 60 hours. And in a rotation of three or four watches, the IWC that sat out the week will have stopped by the time you reach for it. Watch Winder counts down the reserve for each watch you own and reminds you before it stops. For a specific gap between wears, try the "Will my watch stop?" calculator.

Verdict

The 82000 family made IWC's most popular watches properly in-house. The Portugieser Automatic 40 and Big Pilot 43 get a 4 Hz movement with a 60-hour reserve and a Pellaton winding system whose ceramic parts are built to resist wear. It's a sensible, durable design. What it lacks at this price is a published accuracy standard or certification, which rivals like Omega and Rolex offer. If you value the Pellaton heritage and a movement IWC designed and makes itself, it's a good engine. If you want the tightest guaranteed timekeeping, look at a certified rival.

FAQ

How long does an IWC Portugieser Automatic 40 run off the wrist?

About 60 hours from a full wind, or two and a half days. If it was only partly wound when you took it off, it will stop sooner.

What movement is in the IWC Portugieser Automatic 40?

The IWC in-house calibre 82200, from the 82000 family. It beats at 4 Hz, has Pellaton automatic winding and a 60-hour reserve.

Does the IWC Big Pilot's Watch 43 hack?

Yes. Its calibre 82100 has hacking seconds, so the central seconds hand stops when you pull the crown to set the time.

What is the power reserve of the IWC Ingenieur Automatic 42?

The ceramic Ingenieur Automatic 42 uses the calibre 82110 with a 60-hour reserve. The steel Ingenieur Automatic 40 uses the calibre 32111, rated at 120 hours.

How accurate is the IWC Portugieser Automatic 40?

IWC doesn't publish a daily tolerance for the calibre 82200, and it isn't COSC-certified. Owners generally report good timekeeping, and IWC service can regulate one that drifts.

What is Pellaton winding?

It's IWC's automatic winding system, named after engineer Albert Pellaton. Two pawls wind the mainspring in both directions of rotor movement, and in the 82000 calibres the key winding parts are ceramic.

Can I hand-wind an IWC Big Pilot 43?

Yes. Winding it through the crown is the quickest way to fill the 60-hour reserve after it has stopped or been off the wrist.

Sources

• Monochrome: IWC Portugieser Automatic 40 IW3583 hands-on
• Monochrome: IWC Big Pilot's Watch 43 IW3293 review
• Monochrome: IWC Ingenieur Automatic 42 black ceramic IW338903
• aBlogtoWatch: IWC Da Vinci Automatic Edition 150 Years
• Monochrome: Complete history of the IWC Portugieser collection

Keeping it running

• On an average day an automatic gains roughly 4 hours of reserve per hour on the wrist, so about 15 hours of wear fills the IWC 82000. Desk days charge more slowly.
• Most automatics can also be wound by the crown. If yours has stopped, a few dozen turns gets it going before you put it on.
• Off the wrist it stops about 60 hours after it was last full. Stopped sooner?
• On a watch winder, start at about 650 turns per day, both directions. Winder settings for every movement.
• If it does stop, don't set the date between 9pm and 3am. Check if it's safe.

Never let it stop

Watch Winder counts down the reserve of every watch you own and reminds you before one stops. It already knows the IWC 82000: type your watch's name and the reserve fills itself in.

Manufacturer's published figure. Real reserve varies with the watch's age and service; check your manual.