Buying an IWC Ingenieur: 35 or 40 – References, Movements and Prices Compared
Anyone looking to buy an IWC Ingenieur faces a choice that did not exist just a few years ago: 35 or 40 millimetres, steel, titanium or gold, plus a 42 mm ceramic version and a perpetual calendar. We show how the references differ, which movements power them and what they cost at HORANDO.
The Key Points at a Glance
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The Ingenieur 40 is the core model: 40 mm, integrated bracelet, IWC calibre 32111 with a 120-hour power reserve. In steel it costs 10,825 euros at HORANDO.
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The Ingenieur 35 is the compact alternative: Same design, automatic calibre 47110 with a 42-hour power reserve, in steel from 9,510 euros.
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Titanium instead of steel makes the 40 noticeably lighter and costs 13,530 euros.
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All models are water-resistant to 100 metres and feature sapphire crystal – the difference lies in size, movement and material.
Where the Ingenieur Comes From
IWC presented the first Ingenieur in 1955. It was aimed at technicians and engineers who were exposed to strong magnetic fields in their daily work – which is why the movement sat in a soft-iron inner case that diverts magnetic fields. The watch got its best-known form in 1976: Gérald Genta, who had drawn the Royal Oak four years earlier, designed the Ingenieur SL with an integrated bracelet and a bezel with five recesses.
Since 2023 the current generation has picked up directly on this design. The five screws in the bezel are not mere decoration but actually hold it to the case. A dial with a grid pattern, an integrated H-link bracelet, a flat case – anyone looking for a watch in the tradition of the great sports watches of the 1970s often ends up with the Ingenieur today. You can read more about Genta and the Royal Oak in our Royal Oak price check.
Ingenieur 35 or 40: Which Size Fits?
The most important decision when buying is the size. With watches that have an integrated bracelet, the case looks larger on the wrist than the diameter suggests, because the bracelet flows out of the case without a step.
Ingenieur Automatic 40
The Ingenieur Automatic 40 suits most wrists from a circumference of about 17 centimetres. It has presence without looking bulky and comes with the more powerful movement. If you are looking for an Ingenieur as your only sports watch for every day, the 40 is the right choice. It is available in steel with a black, grey, blue and turquoise dial.
Ingenieur Automatic 35
The Ingenieur Automatic 35 transfers the design to a more compact case. It is the right choice for slim wrists and for anyone who deliberately prefers to wear a smaller watch. The design is identical; the difference lies in the movement (see below). In steel it is available with a grey, black, blue and green dial.
The Movements: 32111 and 47110
The Ingenieur 40 is powered by the IWC calibre 32111. Its greatest advantage is the 120-hour power reserve: The watch keeps running for five days without being moved. If you take off your Ingenieur on Friday evening and only put it back on on Wednesday, you do not need to reset it.
The Ingenieur 35 uses the automatic calibre 47110 with a 42-hour power reserve. That is easily enough for a watch worn every day. If you rotate several watches, however, you should place the 35 on a watch winder or reset it after a day's break. We explain the fundamental difference between automatic and manual winding here.
The Ingenieur Automatic 42 in ceramic and the perpetual calendar use movements from the 82000 family with a power reserve of around 60 hours.
Steel, Titanium or Gold
Steel is the classic and the material in which Genta conceived the Ingenieur. Titanium makes the 40 noticeably lighter – on a watch with an integrated metal bracelet, a real difference in everyday wear. The Ingenieur 40 in titanium has a grey dial and costs 13,530 euros. Red gold is available for both sizes; the 35 also comes as a bicolour version in steel and red gold.
All References and Prices Compared
The prices apply at HORANDO (as of October 2026); the manufacturer's recommended retail price is shown in brackets where available. The delivery time is stated on each product page.
| Model | Reference | Material / Dial | Calibre | Price |
|---|---|---|---|---|
| Ingenieur 40 | IW328901 | Steel / Black | 32111, 120 h | €10,825 (RRP €13,200) |
| Ingenieur 40 | IW328902 | Steel / Grey | 32111, 120 h | €10,825 (RRP €13,200) |
| Ingenieur 40 | IW328903 | Steel / Turquoise | 32111, 120 h | €10,825 (RRP €13,200) |
| Ingenieur 40 | IW328907 | Steel / Blue | 32111, 120 h | €10,825 (RRP €13,200) |
| Ingenieur 40 | IW328904 | Titanium / Grey | 32111, 120 h | €13,530 (RRP €16,500) |
| Ingenieur 40 | IW328702 | Red gold / Black | 32111, 120 h | €48,545 (RRP €59,200) |
| Ingenieur 35 | IW324901 | Steel / Grey | 47110, 42 h | €9,510 (RRP €11,600) |
| Ingenieur 35 | IW324902 | Steel / Green | 47110, 42 h | €9,510 (RRP €11,600) |
| Ingenieur 35 | IW324906 | Steel / Black | 47110, 42 h | €9,510 (RRP €11,600) |
| Ingenieur 35 | IW324907 | Steel / Blue | 47110, 42 h | €9,510 (RRP €11,600) |
| Ingenieur 35 | IW324911 | Steel and red gold / Silver | 47110, 42 h | €19,200 |
| Ingenieur 35 | IW324903 | Red gold / Gold | 47110, 42 h | €41,575 (RRP €50,700) |
| Ingenieur 42 | IW338902 | Ceramic / Green | 82110, 60 h | €24,300 |
| Ingenieur Perpetual Calendar | IW344904 | Titanium / Grey | 82600, 60 h | €45,200 |
Which Ingenieur Should You Buy?
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The one sports watch for every day: Ingenieur 40 in steel. Blue and black are the most versatile dials; grey looks the most understated.
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For slim wrists: Ingenieur 35 in steel – the same design for around 1,300 euros less.
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For anyone who wants to barely feel their watch: Ingenieur 40 in titanium.
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For collectors: The Ingenieur 42 in ceramic or the perpetual calendar.
If you are torn between two sizes, we will be happy to advise you personally – in our showroom in Bamberg, by phone or on WhatsApp. You will find more watches with design history in our automatic watch insider tips.
Frequently Asked Questions
How much does an IWC Ingenieur cost?
At HORANDO the Ingenieur 35 in steel starts at 9,510 euros, while the Ingenieur 40 in steel costs 10,825 euros. In titanium the 40 is priced at 13,530 euros; gold versions and the perpetual calendar cost considerably more.
Which IWC Ingenieur is the best?
For most buyers, the Ingenieur Automatic 40 in steel: It has the movement with the longest power reserve, the most balanced size and the lowest price within the 40 mm line.
What is the difference between the Ingenieur 35 and 40?
Apart from the size, mainly the movement: The 40 has the IWC calibre 32111 with a 120-hour power reserve, the 35 the automatic calibre 47110 with 42 hours. Design, sapphire crystal and water resistance to 100 metres are the same.
Who designed the IWC Ingenieur?
Today's form goes back to Gérald Genta, who designed the Ingenieur SL in 1976. The first Ingenieur from 1955 predates this and was primarily intended as an antimagnetic watch.
Is the IWC Ingenieur water-resistant?
Yes, all current models are water-resistant to 100 metres. That is sufficient for swimming; for diving, a dive watch is the better choice.
Conclusion
The IWC Ingenieur is one of the few sports watches with an integrated bracelet that you can buy in steel without a waiting list. If you want the classic size and five days of power reserve, choose the 40; if you prefer something more compact, the 35. You will find all models in our selection of IWC Ingenieur watches and in the complete IWC range.
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