IWC
IWC Ingenieur Tourbillon 41 IW345901
The IWC Ingenieur Tourbillon 41 (reference IW345901) is a 41.6 mm 18k 5N gold watch with a green dial. It runs on the automatic caliber 82905 with a 80-hour power reserve and is water resistant to 100 m.
Specifications
Case
- Reference
- IW345901
- Collection
- Ingenieur
- Case size
- 41.6 mm
- Thickness
- 12.1 mm
- Case material
- 18k 5N gold
- Case shape
- Round
- Crystal
- Sapphire
- Water resistance
- 100 m
- Bracelet / strap
- 18k 5N gold
Dial and bezel
- Dial
- Green
Movement
- Movement
- Automatic
- Caliber
- 82905
- Power reserve
- 80 hours
- Frequency
- 28,800 vph
- Jewels
- 25
- Functions
- Flying tourbillon
Production
- Production
- Current
Dial versions
This reference was made with these dials and finishes.
IW345901 Green
Dark olive green
How it compares within the Ingenieur family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| IW345901 (This watch) | 41.6 mm | 18k 5N gold | Green | 82905 | — |
| IW324907 | 35.1 mm | Stainless steel | Blue | 47110 | 2026– |
| IW328901 | 40 mm | Stainless steel | Black | 32111 | 2023– |
| IW328902 | 40 mm | Stainless steel | Silver | 32111 | 2023– |
| IW328903 | 40 mm | Stainless steel | Aqua blue | 32111 | 2023– |
| IW328907 | 40 mm | Stainless steel | Blue | 32111 | 2023– |
| IW328908 | 40 mm | Stainless steel | Green | 32111 | 2023– |
| IW338902 | 42 mm | Ceramic (dark olive green) | Green | 82110 | — |
| IW338903 | 42 mm | Ceramic | Black | 82110 | — |
About the Ingenieur family
The Ingenieur was introduced in 1955 with ref. 666, an automatic watch protected against magnetic fields by a soft-iron inner case. In 1976 Gérald Genta redesigned it as the Ingenieur SL ref. 1832, with an integrated bracelet and a bezel with five recesses.
In 2023 IWC returned to the Genta design with the Ingenieur Automatic 40, ref. IW328901, with caliber 32111 and a grid-patterned dial. The catalog also lists earlier models with calibers such as 80110 and 30110 and ceramic versions. Dealers separate the generations by case design and reference and check the bracelet.
Quick answers
- What size is the IWC Ingenieur Tourbillon 41 IW345901?
- The IWC Ingenieur Tourbillon 41 IW345901 has a 41.6 mm case, 12.1 mm thick.
- What movement does the IWC Ingenieur Tourbillon 41 IW345901 use?
- It uses the automatic caliber 82905, with a 80-hour power reserve.
- How water resistant is the IWC Ingenieur Tourbillon 41 IW345901?
- It is water resistant to 100 metres.
- Is the IWC Ingenieur Tourbillon 41 IW345901 still in production?
- Yes, it is a current reference.
- What is the IWC Ingenieur Tourbillon 41 IW345901 made of?
- The case is 18k 5N gold. Bracelet or strap: 18k 5N gold.
Catalog facts checked October 2026.