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IWC’s full-gold Ingenieur Automatic 40 is reference IW328702, announced on 1 April 2025. It pairs a 40 mm 18-carat 5N gold case and integrated bracelet with a black Grid dial, and is powered by the automatic calibre 32111 with a stated 120-hour power reserve.
What is the reference number for the gold IWC Ingenieur Automatic 40?
The reference is IW328702. IWC announced it at Watches and Wonders Geneva on 1 April 2025 as the Ingenieur Automatic 40’s full 18-carat 5N gold version. The case and integrated bracelet use the same gold alloy; the dial is black with the collection’s Grid structure. IWC’s announcement identifies the watch and its materials.
How is the gold case paired with the dial?
The black dial’s Grid pattern provides a visual contrast to the warm-toned case and bracelet. IWC specifies gold appliqués and gold-plated hands, both filled with Super-LumiNova. The result keeps the Ingenieur’s patterned dial and integrated-bracelet design while making the gold construction the defining change.
Is the full-gold IWC Ingenieur Automatic 40 40 mm?
Yes. IWC lists a 40 mm case diameter. Its China-market product page specifies a thickness of 10.4 mm and water resistance of 10 bar; those figures are manufacturer specifications, not independent test results. The watch has a sapphire display back, so the movement is visible from the rear.
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What movement and power reserve does it have?
The IW328702 uses IWC calibre 32111, an automatic movement with a stated power reserve of 120 hours. Through the display back, IWC describes circular Geneva stripes, blued screws and a gold-plated oscillating weight. These are the brand’s stated movement features; no independent accuracy or performance testing is established by the product announcement.
How does it fit into the Ingenieur line?
IWC says the modern Ingenieur Automatic 40 was introduced in 2023 and draws on the design codes of the 1970s Ingenieur SL reference 1832, designed by Gérald Genta. The 2025 IW328702 brings that modern 40 mm format into a full-gold execution rather than introducing a different case size or movement family.
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What is the listed price?
IWC’s China product listing displayed a price of ¥416,000 including tax when accessed on 4 October 2026. This is a China-market listing and a time-sensitive regional figure; it does not establish pricing in other countries or guarantee the current price. The official China product page is the source for that listing.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Specifications at a glance
| Specification | IWC Ingenieur Automatic 40 IW328702 |
|---|---|
| Announcement | 1 April 2025, Watches and Wonders Geneva (IWC) |
| Case and bracelet | 18-carat 5N gold case and integrated bracelet (IWC) |
| Dial | Black Grid structure; gold appliqués and gold-plated hands with Super-LumiNova (IWC) |
| Case diameter | 40 mm (IWC) |
| Thickness | 10.4 mm (IWC China product page) |
| Water resistance | 10 bar (IWC China product page) |
| Movement | IWC calibre 32111, automatic (IWC) |
| Power reserve | 120 hours, as stated by IWC |
| Regional listed price | ¥416,000 including tax on IWC China page, accessed 4 October 2026; market-specific and subject to change |
The official specification establishes the watch’s materials, dimensions and movement, but does not by itself establish wrist fit, activity-specific suitability, comparative accuracy or durability in use.
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