IWC Ingenieur Ingenieur Perpetual Calendar Digital Date-Month Red Gold / Silver
Reference IW3817-01
About this watch
The IWC IW3817-01 Ingenieur Perpetual Calendar is a masterpiece that embodies functionality and luxury. With its stunning red gold case and silver dial, this timepiece stands out among IWC's esteemed collection. The watch features an automatic mechanical chronograph movement with a perpetual calendar mechanism, allowing you to keep track of date and month in a clear digital format. The open case back provides a glimpse into the intricate workings of the IWC caliber 89800 movement. With its impressive water resistance of up to 120 meters and ergonomic design, this watch is suitable for various occasions. Whether you're at the office or on a yacht, the IW3817-01 fits right in! The watch's limited edition status, with only 100 pieces available, adds to its allure, making it not just a watch but a collector's item. With its advanced features and high-quality materials, this timepiece is an investment piece that reflects the value of IWC's craftsmanship.
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Key Features
- Automatic mechanical chronograph movement
- Perpetual calendar mechanism
- Red gold case with silver dial
- Open case back for view of IWC caliber 89800 movement
- Impressive water resistance up to 120 meters
- Ergonomic design suitable for various occasions
- Limited edition status with only 100 pieces available
Specifications
- Brand
- IWC
- Family
- Ingenieur
- Model
- Ingenieur Perpetual Calendar Digital Date-Month Red Gold / Silver
- Reference
- IW3817-01
- Movement
- 89800
- Movement Features
-
- Hours, Minutes, Small Seconds
- Big Date, Leap Year, Month, Perpetual Calendar, Date
- Chronograph, Flyback
- Case
- Red Gold 45mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 120
Current Listings
![[WTS] IWC Ingenieur 40mm IW328907](https://preview.redd.it/oz0zmpe9vy4f1.jpg?width=640&crop=smart&auto=webp&s=accb0c88610ccf4e1d3852f6aca84437e4e6cdab)
IWC Ingenieur 40mm IW328907
The IWC Ingenieur 40 is a 2023 redesign of the legendary watch, featuring a blue dial and technical data such as automatic winding and a 120-hour power reserve.
- Condition: full set
- Case diameter: 40mm
- Height: 10.7mm
- Water resistance: 10.0 bar
IWC Ingenieur Automatic - IW323902 - Black - Stainless Steel - 39mm - Mint
A pre-owned IWC Ingenieur Automatic in excellent condition, featuring a 39mm black stainless steel case and automatic movement. The watch is accompanied by its original box set, instruction manual, warranty card, and OEM rubber strap.
- Condition: Pre-Owned - Grade: Mint
- Case size: 39mm diameter
- Bracelet type: Stainless Steel
- Dial: Black

IWC Ingenieur Automatic - 40mm - Black Dial - IW328901 ( unworn / 2025 )
This IWC Ingenieur Automatic watch features a 40mm stainless steel case and black dial, coming with all original boxes and papers.
- Condition: unworn
- Case size: 40mm diameter
- Movement: IWC 32111 Calibre

1980's IWC Ingenieur Ref. IW3506 with Box
The IWC Ingenieur Ref. IW3506 is a vintage watch originally launched in 1955 as an anti-magnetic timepiece for engineers, featuring a soft iron inner case and IWC's Caliber 852. The Reference 3506 was introduced in the mid-1980s, offering a more wearable size with refined details like gold hour markers and a graph paper textured dial.
- Condition: Vintage-Good
- Movement: Automatic
- Case Width: 35mm diameter
- Strap Length: 7.50 inches
IWC Ingenieur Aqua Green IW328903 LNIB
A pristine IWC Ingenieur with an Aqua Green dial, complete with warranty card and other original accessories.
- Condition: Like New in Box (LNIB)
- Year: 2024
- Warranty card: present

BNIB IWC IW328904 Ingenieur TITANIUM 40 NEW MODEL Grey Dial 2025
This is a brand new IWC Ingenieur model with a grey dial and titanium case. It comes in full box/papers and has the remaining manufacturer warranty.
- Condition: Brand new, unworn
- Material: Titanium
- Case size: 40mm diameter

IWC Ingenieur Automatic - 40mm - Aqua Dial - IW328903 ( excellent / 2025 )
A 40mm stainless steel IWC Ingenieur Automatic with an Aqua Dial and IWC 32111 Calibre Movement, coming with a complete set including boxes, papers, booklets, tools, hang tag, and IWC Warranty Card.
- Condition: Excellent
- Case size: 40mm
- Movement: IWC 32111 Calibre
IWC Ingenieur Double Chronograph Titanium IW376501
The IWC Ingenieur Double Chronograph Titanium IW376501 is a men's watch with a size of 46mm and features a mechanical automatic movement. It has a double chronograph function.
- Condition: 90%
- Case material: titanium
- Size: 46mm
IWC 3239 Ingenieur Automatic, 3239-06, 40MM
The IWC Ingenieur Automatic features a stainless steel case on a matching bracelet, powered by the Calibre 30110 movement with a 42-hour power reserve. The watch has a silver dial with rose gold hour markers and hands, and is water-resistant to 120 meters.
- Condition: Excellent
- Movement type: Automatic
- Case material: Stainless steel
- Bracelet material: Stainless steel