IWC Ingenieur Ingenieur Constant-Force Tourbillon Platinum / Ceramic
Reference IW5900-01
About this watch
The IWC Ingenieur Constant-Force Tourbillon Platinum / Ceramic (Model: IW5900-01) is a masterclass in luxury watchmaking, boasting an exquisite blend of technical sophistication and stunning aesthetics. This hand-wound marvel showcases the brand's commitment to precision and innovation, with its patented constant force mechanism ensuring accuracy for years to come. The combination of platinum and ceramic materials creates a luxurious feel on the wrist, while the sapphire glass dial provides clarity and durability. With a 96-hour power reserve and water resistance of 120 meters, this watch is built for adventure and precision. Whether you're a collector or connoisseur seeking technical mastery with stunning aesthetics, the IWC Ingenieur Constant-Force Tourbillon IW5900-01 is an investment that justifies its price point. This timepiece is not just a tool for telling time but a testament to the craftsmanship and innovation that IWC is famous for.
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Key Features
- Hand-wound movement with patented constant force mechanism
- Platinum and ceramic materials for luxurious feel and durability
- Sapphire glass dial for clarity and protection
- 96-hour power reserve for extended wear without winding
- Water resistance of 120 meters for adventure and precision
- Double moonphase display and day/night indication for intricate complications
- Tourbillon displaying one-second jumps for mesmerizing sight
Specifications
- Brand
- IWC
- Family
- Ingenieur
- Model
- Ingenieur Constant-Force Tourbillon Platinum / Ceramic
- Reference
- IW5900-01
- Movement
- 94800
- Movement Features
-
- Minutes, Hours, Small Seconds
- Moonphase
- Constant Force Mechanism, Tourbillon Escapement, Power Reserve Indicator
- Case
- 46mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 120
Current Listings

Platinum IWC Big Ingenieur Chronograph Fly-back, IW378403, Limited Ed. Complete
The watch is a rare, limited edition IWC Big Ingenieur Chronograph Fly-back with a Solid Platinum Case, Rhodium Textured Dial, and Black Sub-Dials. It features a 3784-03 chronograph complication, fly-back function, and 68 hours Power Reserve.
- Condition: Very good, some scuffs and small scratches from careful use
- Case material: Solid Platinum
- Diameter: 40mm
- Thickness: 15mm

IWC Ingenieur Automatic 40 Blue Dial IW328907 � 2024 Unworn
The IWC Ingenieur Automatic 40 Blue Dial is a newly released model with a blue dial, featuring an unworn condition and included accessories such as boxes, booklet, and warranty card.
- Condition: Unworn
- Year of release: 2024
- Diameter: 40mm

IWC Ingenieur Automatic - 40mm - Blue Dial - IW328907 ( unworn / 2025 )
This listing features an unworn IWC Ingenieur Automatic 40mm Blue Dial watch, complete with all original boxes, papers, and accessories.
- Condition: Unworn / Complete Set
- Case Material: Stainless Steel
- Movement: IWC 32111 Calibre
IWC Ingenieur White Dial IW323906 Automatic Steel 40mm
The IWC Ingenieur White Dial is a mechanical automatic watch with a stainless steel case and date function, measuring 40mm in size.
- Condition: 95%
- Model: Ingenieur Automatic 40mm
- Case material: Stainless Steel
- Movement type: Mechanical Automatic

IWC Iw328903 INGENIEUR AQUA GREEN AUTOMATIC 40MM 2023 COMPLETE SET
A 2023 IWC Ingenieur Aqua stainless steel watch with a green dial and automatic in-house movement. The watch is running perfectly with no issues.
- Condition: Excellent, Unpolished Condition
- Movement: IWC Calibre 32111, Automatic In-House Movement
- Power reserve: 120 hours
- Warranty: Under 8 years factory warranty remaining