IWC Ingenieur Ingenieur SL Perpetual Calendar / Strap / English
Reference IW3540-03
About this watch
The IWC IW3540-03 Ingenieur SL Perpetual Calendar is a true horological marvel, combining exquisite craftsmanship with cutting-edge technology. Its unique features and timeless aesthetic make it more than just a timekeeper; it's a statement piece. The watch boasts an elegant yellow gold case, a white dial with stick and dot indexes, and a perpetual calendar complication that accounts for varying month lengths and leap years. At the heart of this masterpiece is the IWC caliber 35782 movement, known for its reliability and precision. With a power reserve of 42 hours and a frequency of 28,800 vibrations per hour, it ensures accurate timekeeping day in and day out. The watch's comfort and style make it ideal for daily wear and special occasions, with a water resistance of 30 meters typical for a dress watch. Whether you're a seasoned collector or a first-time luxury watch buyer, the IW3540-03 is a versatile choice that will serve you well for years to come.
Buy Now on Jomashop
This is an affiliate link
Key Features
- Yellow gold case
- Perpetual calendar complication
- Moonphase indicator
- IWC caliber 35782 movement
- 42-hour power reserve
- 28,800 vibrations per hour
- 30-meter water resistance
Specifications
- Brand
- IWC
- Family
- Ingenieur
- Model
- Ingenieur SL Perpetual Calendar / Strap / English
- Reference
- IW3540-03
- Movement
- 35782
- Movement Features
-
- Hours, Minutes, Seconds
- Date, Day, Leap Year, Month, Perpetual Calendar, Year Indicator
- Moonphase
- Case
- Yellow Gold 34.5mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 30
Current Listings
![[WTS] IWC Ingenieur Chronograph Limited Rudolph Caracciola Racing Edition Ref IW380702](https://preview.redd.it/h0reosn53uxg1.jpg?width=640&crop=smart&auto=webp&s=8ac5f46b4ef93330a9116d3b584030b68befb0e0)
IWC Ingenieur Chronograph Limited Rudolph Caracciola Racing Edition Ref IW380702
A limited edition IWC Ingenieur Chronograph, released in honor of Rudolf Caracciola, featuring a gray sunburst dial and in-house chronograph caliber 69370 movement.
- Condition: Super clean, light wear
- Movement: In house automatic chronograph caliber 69370
- Case Size: 42MM stainless case, unpolished
- Diameter: 40mm diameter
![[WTS] IWC Big Ingenieur Flyback Chronograph – Guilloché Dial – Box & Papers](https://preview.redd.it/r8nkfpfqydxg1.jpeg?auto=webp&s=85eb27d86382739ce25984229f8dd91b29502b5e)
IWC Big Ingenieur Flyback Chronograph – Guilloché Dial – Box & Papers
A timepiece that combines heavy-duty engineering with fine watchmaking, featuring a guilloché dial and flyback chronograph functionality.
- Case size: 45.5mm diameter
- Power reserve: 68h
- Movement type: in-house Calibre 89360
![[WTS] IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )](https://preview.redd.it/92vmt439f6xg1.jpg?width=640&crop=smart&auto=webp&s=09e5ba32a478866139e7ac1d5ce77ee8153f1c39)
IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )
Up for sale is an unworn IWC Ingenieur Automatic 40mm Grey Dial Titanium watch, complete with all boxes, papers, and tools.
- Condition: Unworn
- Case size: 40mm diameter
- Movement: IWC 32111 Calibre
![[WTS] Limited Edition IWC Ingenieur Chronograph Rudolph Caracciola Ref IW380702](https://preview.redd.it/yzgtg70p1gwg1.jpg?width=640&crop=smart&auto=webp&s=59ffc29a044fea5f4cd4d7bcc557e1313d9e8f2c)
Limited Edition IWC Ingenieur Chronograph Rudolph Caracciola Ref IW380702
A limited edition IWC Ingenieur Chronograph released in 2016 to honor Rudolf Caracciola, featuring a gray sunburst dial with racing red pops and an in-house chronograph caliber 69370 movement.
- Condition: Super clean, light wear
- Case diameter: 42mm
- Movement type: In house automatic chronograph
![[WTS] IWC Ingenieur 40mm Aqua Dial, Fully Serviced by IWC, Full Kit Plus Service Papers](https://preview.redd.it/9tka0ofle6wg1.jpg?width=640&crop=smart&auto=webp&s=0ef6cca60c5a7d515964892ec4d2a1df6311960a)
IWC Ingenieur 40mm Aqua Dial, Fully Serviced by IWC, Full Kit Plus Service Papers
A modern take on the Ingenieur design with a unique Aqua dial that catches the light beautifully. This watch is in great condition and comes with service papers, box, and full kit.
- Condition: Fantastic, fully serviced by IWC
- Case Size: 40mm diameter
- Dial Color: Aqua
![[WTS] IWC Ingenieur Automatic 40 IW328904 | Titanium | Grey Grid Dial | Near-Mint Full Set | $12,500 Shipped](https://preview.redd.it/7wxx5hx4mmvg1.jpg?width=640&crop=smart&auto=webp&s=0313c0908d408cd9dba2bb238b2ea9354e9b40a3)
IWC Ingenieur Automatic 40 IW328904 | Titanium | Grey Grid Dial | Near-Mint Full Set | $12,500 Shipped
This IWC Ingenieur Automatic 40 is a recent release with a great wrist presence, excellent finishing, and added comfort of titanium. It comes with a full set including boxes, travel case, and other accessories.
- Condition: Near-mint
- Case material: Titanium
- Dial color: Grey Grid
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