Bargain
IWC BIG PILOT’S WATCH 43 TOP GUN IW329801
Full Set 2022
Original price was: $15,700.00.$10,995.00Current price is: $10,995.00.
Original price was: $19,300.00.$15,495.00Current price is: $15,495.00.
Price includes 10% GST for Australian customers
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The Ingenieur is one of the few luxury sports watches with an unbroken line to the golden era of integrated-bracelet design. Gérald Genta — the designer behind the Royal Oak and the Nautilus — applied the same integrated-bracelet philosophy to the IWC Ingenieur SL in 1976, producing a 40mm anti-magnetic tool watch with a distinctive round bezel secured by five polygonal screws and a bracelet that flowed directly from the case without a visible lug-to-bracelet gap.
When IWC relaunched the Ingenieur in 2023, it chose to honour that 1976 design rather than reinterpret it. The Ingenieur Automatic 40 is a comprehensively re-engineered watch built around Genta’s original visual architecture — the five-screw bezel, the round case, the integrated bracelet — but updated with a manufacture movement, improved ergonomics, and dial configurations that didn’t exist in 1976.
The aqua dial version, reference IW328903, is the most visually arresting of the launch references. It is the one that collectors and press reached for first.
The dial is not simply aqua-coloured. It carries IWC’s “Grid” structure: small lines offset at 90 degrees to each other, creating a textured surface that catches and fragments light differently depending on angle and lighting conditions. The result is a dial that reads as blue in some lights, green in others, and something between the two in natural daylight. It is one of the most dynamic dial finishes in the current IWC catalogue, and it reads as deliberate rather than decorative — the texture gives the dial depth without adding visual noise.
Rhodium-plated hands and applied hour markers are luminescent throughout, with a date aperture at 3 o’clock. The dial is legible — an IWC requirement — but the aqua Grid finish is what makes this reference the standout of the Ingenieur 40 line.
Mint. This is a recently purchased piece in the finest possible pre-owned condition.
The Calibre 32111 delivers five days of power reserve from IWC’s pawl winding system. In practical terms, this means the Ingenieur can sit unworn from Friday evening until Monday morning without stopping — a standard working week does not require hand-winding on Monday. At 120 hours, the Ingenieur Automatic 40 offers one of the longest power reserves in the integrated-bracelet sports watch category, comfortably exceeding the Rolex Submariner (70 hours), the Audemars Piguet Royal Oak (60 hours), and the Patek Philippe Nautilus (45 hours).
The original Ingenieur was designed in 1955 as a precision instrument for engineers working in environments with strong magnetic fields — the kind that would affect a conventional lever escapement and cause the watch to run fast or slow. The soft-iron inner case in the Ingenieur Automatic 40 continues that tradition directly: it shields the movement from external magnetic fields without requiring a paramagnetic escapement. It is a practical feature, not a heritage badge.
Calibre24 is a Perth-based dealer specialising in pre-owned Rolex, Patek Philippe, Audemars Piguet, Vacheron Constantin, and Richard Mille — and selected exceptional pieces from IWC Schaffhausen. Every watch is authenticated in-house before listing. This IW328903 ships fully insured to any address in Australia. Viewings by appointment in Perth. Trade-in and consignment available.
Is this IWC Ingenieur Automatic 40 available in Australia? Yes. This 2026 IWC Ingenieur IW328903 in aqua dial is held in Perth by Calibre24, and ships fully insured to any address in Australia including Sydney, Melbourne, Brisbane, and Adelaide. Viewings available in Perth by appointment.
What is the IWC Ingenieur Automatic 40 IW328903? The IW328903 is the aqua dial version of the IWC Ingenieur Automatic 40, introduced as part of IWC’s 2023 relaunch of the Gérald Genta-designed Ingenieur SL. It has a 40mm stainless steel case with the Ingenieur’s signature five-screw bezel, an integrated H-link steel bracelet, and a textured “Grid” aqua dial that shifts between blue and green depending on the light. It is powered by the IWC-manufactured Calibre 32111 with 120 hours of power reserve and a soft-iron inner case for anti-magnetic protection. Water resistant to 100m.
Who designed the IWC Ingenieur? The modern Ingenieur design traces directly to Gérald Genta, the Swiss watch designer who created the integrated-bracelet sports watch form in the 1970s. Genta designed the Royal Oak for Audemars Piguet in 1972 and the Nautilus for Patek Philippe in 1976, and in the same year applied the same integrated-bracelet language to the IWC Ingenieur SL. The 2023 Ingenieur Automatic 40 relaunch consciously restores Genta’s original five-screw bezel and bracelet-to-case flow rather than reinterpreting it.
What is the “Grid” dial on the IWC Ingenieur IW328903? The Grid dial is IWC’s name for a textured dial surface constructed from small lines offset at 90 degrees to each other. On the aqua reference IW328903, the Grid structure creates a dial that shifts between blue and green depending on the angle and light source. In natural daylight it reads as aqua; in warmer indoor light it shifts toward blue-green. The texture adds depth and visual interest without compromising legibility — the rhodium-plated hands and applied luminescent markers remain clear at all angles.
How long is the power reserve on the IWC Ingenieur Automatic 40? The Calibre 32111 delivers 120 hours — five full days — of power reserve via IWC’s pawl winding system. This makes the Ingenieur Automatic 40 one of the longest-reserve integrated-bracelet sports watches currently available, exceeding the Rolex Submariner (70 hours), the AP Royal Oak (60 hours), and the Patek Nautilus (approximately 45 hours). The watch can sit unworn from Friday to Monday without stopping.
What is the anti-magnetic protection in the IWC Ingenieur? The Ingenieur Automatic 40 uses a soft-iron inner case to shield the Calibre 32111 from external magnetic fields. The soft-iron acts as a Faraday cage around the movement, deflecting magnetic interference before it reaches the escapement. This continues the Ingenieur’s original 1955 design intent as a precision instrument for engineers and technical professionals working near magnetic equipment.
How does the IWC Ingenieur compare to the Royal Oak and Nautilus? All three descend from Gérald Genta’s integrated-bracelet sports watch concept of the 1970s. The Royal Oak (AP, 1972) and Nautilus (Patek, 1976) are octagonal and porthole-bezel designs respectively; the Ingenieur SL (IWC, 1976) is a round-bezel design with five visible screws — a different expression of the same philosophy. The Ingenieur typically trades at a significant discount to Royal Oak and Nautilus prices on the secondary market, while sharing the same Genta lineage and integrated-bracelet format. For a buyer who values the design heritage at a more accessible price point, the Ingenieur is the logical entry.
Does this IWC Ingenieur come with box and papers? Yes — complete full set with original IWC box and papers.
Can I sell or trade in my IWC or other luxury watch? Yes. Calibre24 buys and takes consignment on IWC, Rolex, and other high-end references. Contact us for a current valuation.
Ingenieur 40 IW328903
Mint, Like New
Full Set with Box & Papers
Late 2025
Aqua Blue-Green
40mm
Stainless Steel
AUD
Shipping: Fully insured and express shipping available at a small cost.
Payment methods: Bank Transfer, EFTPOS, Credit or Debit (Master/Visa/AMEX) cards accepted. We do not accept crypto or cash payment.
Customers from any other country (outside of Australia) will be responsible to pay for any import taxes, customs and/or duties, as applicable, by their country laws. Our price doesn’t include any VAT, GST or any duties for any countries when the item is exported out of or shipped outside of Australia.
We are a licensed Australian Second Hand Watch Dealer, and one of the largest and safest Australian online watch platforms located in Perth, WA, and have delivered watches to watch enthusiasts across Australia and beyond. Please read our reviews across any platforms online to see what our customers say about their experience of an online purchase of a luxury watch from us.
Please refer to our website FAQ’s section for more details or reach out to us at Hello@calibre24.com.au with any queries.
Second Hand Dealer License No. SHD-79453.
Original price was: $15,700.00.$10,995.00Current price is: $10,995.00.
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Brand New:
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Mint:
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The overnight express is the name of the service used. It doesn’t guarantee that you will receive the watch the next day. However, the service does aim to deliver overnight and in most instances, we have delivered watches the next day. The delays on the other hand, are also possible and are not something that we haven’t seen before. We request ordering 3-4 business days in advance to allow for shipping delays, payment delays etc.
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When you make payment via Bank Transfer, we endeavour to ship the products at the same day or next business day when we receive your payment into our bank account. However, in some circumstances it can take up to 4-7 Days to ship an item, using the following carriers: Fedex/TNT, DHL, Auspost, Brinks or Ferrari.
When you make payment via Credit or Debit Card, we apply a “Security Hold” for 2 full business days from the date of the payment, before we will ship the item to you. Once the security hold is completed, we endeavour to ship the products the next day. However, in some circumstances it can take up to 4-7 Days to ship an item, using the following carriers: Fedex/TNT, DHL, Auspost, Brinks or Ferrari. Please click here to view the shipping policy
Due to the premium service we use, and the insurance for high value of watches, our shipping partners also require one day notice to book/process the shipments especially if you’re ordering a watch above $50,000 AUD in value.
Please get in touch with us prior to placing the order if your order is urgent and we can work out the quickest solution for you. You can email us on Hello@calibre24.com.au
Yes, you can inspect any timepiece we have in stock in our appointment-only boutique in the heart of Perth CBD. To request a viewing or purchase in person simply submit a viewing or purchase request through our product page for the timepiece you’re interested in, and we’ll organize a time for you.
Yes, we are a GST registered business for Australian customers, and all the prices include GST, unless otherwise specified in the listing. Please note that some watches we have available are listed for overseas clientele, which do not have the Australian GST component added into the listed prices. This is categorically mentioned on the listing as it applies and added to the price when sold to customers residing in Australia.
Yes we have sold and delivered countless watches overseas and globally. If you are located in the USA, then we can also offer you a price estimate for the watch delivered to you with all taxes and duties paid by us i.e. our price will include import taxes into the US and insured shipping – and you will pay nothing more to receive the watch.
We are not affiliated with any watch brand or watchmaker, and as such we are not Authorised Dealers for any watches that we sell. We specialize in buying and selling pre-owned and preloved watches, although most of the watches we deal in are in unworn and new condition.
We are an independent business, founded, run and managed by a watch collector and enthusiast Hafiz J Mehmood.