IWC Ingenieur
11 % below RRP
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ℹ️ 1-month trend
Price change over the past 30 days. Shows the short-term market movement — relevant if you want to buy or sell soon.
ℹ️ 4-month trend
The central metric behind the momentum score. It filters out short-term swings and shows the true, medium-term market trend of this reference.
ℹ️ Volatility
Annualised price fluctuation. Below 10 % = very stable, 10–20 % = normal, above 20 % = volatile. With high volatility the price can change quickly — in both directions. Be cautious about buying without checking the current price.
ℹ️ Momentum score
ChronoCheck's own indicator from 0 to 100, calculated from the 4-month trend, volatility and market direction.
- Above 60 — Upward trend. Good time to sell, prices are rising.
- 40 – 60 — Neutral. Stable price level, no pressure to act.
- Below 40 — Downward trend. Wait or enter at a good price.
ℹ️ Investment Grade A/B/C/D
ChronoCheck's own rating for each reference. A 0–100 point scale, made up of four weighted components:
- Momentum (40 pts) — trend strength from the momentum score.
- Liquidity (25 pts) — number of active live listings.
- Stability (20 pts) — inverse volatility — the calmer, the better.
- Source robustness (15 pts) — number of independent market sources.
- A · 75+ Trend is right, liquidity good, data broad.
- B · 55–74 Solid, but one component weaker.
- C · 35–54 Average, volatility or market breadth weigh on it.
- D · below 35 Downward or too little data — a collector's piece.
Not investment advice. Pure data analysis from aggregated market sources.
The current market value of the IWC Ingenieur (Ref. IW328901) is $12,285. Last sold at auction: $8,943 (Sotheby's, 03/2026).
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Technical data
IWC Ref. IW328901 — Variants and collector names
Known as: New Ingenieur, Ingenieur 40, Genta Tribute, SL Revival
Movement variants
- 32111 (?–today) · 28800 bph
Bezel variants
- IW328901-Bezel-SS-5Screw-Fixed "5-Screw Bezel"
Dial variants
- Black Grid — INGENIEUR / IWC SCHAFFHAUSEN / Automatic / date 3h / galvanic grid pattern texture / applied rhodium-plated indices
Crystal variants
- IW328901-Saphir-AR
Bracelet variants
- Integriertes H-Link Edelstahlarmband Ref. IW328901-Bracelet-SS-HLink-Integrated
The IWC Ingenieur disappeared from the catalogue in 2016 — seven years of silence. Then came Watches & Wonders 2023, and with it the IW328901: a 40-millimeter case, green dial, a design that draws a clear line back to Gerald Genta's original from 1976. Ever since, the collector community has been running several names in parallel — Ingenieur 40, New Ingenieur, Genta Tribute, SL Revival — which shows just how much excitement surrounded the reissue before IWC itself had sorted out its own messaging. Retail price at launch: 6,900 euros.
## What the Market Has Made of It
At first sale in 2023 there were virtually no grey-market premiums in Germany; the IW328901 traded largely at retail, sometimes fractionally below. That changed as awareness of the SL Revival story grew: examples with papers now list on platforms such as Chrono24 between 5,800 and 6,400 euros — a discount of roughly 10 percent off the new price. For buyers, that represents a sensible entry point into a classic that is only just being rediscovered.
## Genta, 40 Millimeters, and a Green Dial That Divides Opinion
The pentagonal case is a direct quote from Genta's pen, and that is precisely where the real value of the IW328901 lies: not as a luxury object but as design history on the wrist. At 40 millimeters, IWC hits the sweet spot for sports watches without the sports-car bravado — and in 2024, the market pays exactly for that. The green dial splits collectors; purists want the silver version, but the grey market shows higher turnover velocity on green: roughly 30 percent more listed pieces change hands each month than on the silver dial.
Brand profile: IWC
IWC Schaffhausen produces high-quality pilot and sports watches. The Portugieser, Pilot's Watch (Big Pilot + Mark XVIII/XX), and Portofino are the most frequently faked references. Since 2025, APS Factory V3 has produced integrated 52010 super-clones with correct case thickness — classic tells (case thickness, movement visibility) are only partially reliable against these. Key checks today: engraving depth, seconds tick interval, thermally blued hand color, and sub-dial proportions.
- Serial number: genuine IWC serials are 6 digits, purely numeric, on the caseback — all serial numbers are verifiable in the IWC 'My IWC' portal. Fakes often have 7 digits or a mix of letters and numbers.
- Portugieser sub-dial seconds intervals: a GENUINE piece has exactly 3 mini-ticks between each seconds index (high beat rate of 28,800 vph) — fakes have 4 or irregular ticks (lower beat rate).
- Caseback engraving 'International Watch Company': genuine engraving is DEEP (perceptible with a fingernail) and sharp-edged — fakes are shallower, sometimes just laser-printed rather than truly engraved. Test: raking light and a loupe.
- Portugieser/Portofino blue hand color: thermally blued steel shifts from deep blue to light violet depending on viewing angle — painted fake hands show a flat, uniform blue.
Serial number format: IWC serial numbers: 6-digit numeric on the caseback. Verifiable online via the IWC My IWC Portal.
Further sources
Buying guide: IWC Ingenieur
Market situation and price range
At $12,285 the Ingenieur sits in a segment where first owners sell regularly — clean pieces with box and papers are not uncommon. The jump from "good" to "very good" usually costs 1,000 to 2,000 euros more at purchase. You get that premium back on resale if the condition is preserved.
Watch out for swings: This reference has an above-average volatility of 25.8 percent. In concrete terms: the price can move by several hundred euros within a few weeks. Check the current value before buying or selling — old listings or auction results from two months ago are of little help.
What to look out for when buying?
- Authenticity: The serial number and reference on the case must match the papers. A professional authenticity check of the IWC Ingenieur reliably rules out counterfeits.
- Condition: Check scratches on the case and bezel — professional refurbishment can leave traces.
- Service history: A documented service by the manufacturer or a certified watchmaker increases the value.
- Scope of delivery: Box, papers and warranty card make a noticeable price difference on the Ingenieur.
- Independent certification: The CPS-52 standard covers 52 checkpoints — from the serial number and the timing machine to water resistance. The result is secured on the blockchain and can be verified at any time.
Check the market value live now
Interactive price analysis with momentum indicator and buy/sell signal.
Go to the market value tool →Auction results IWC Ingenieur IW328901
Recent hammer prices for this reference from international auction houses:
| Price | House | Date |
|---|---|---|
| $8,943 | Sotheby's | 03/2026 |