IWC Ingenieur Ingenieur SL Chronometer Stainless Steel / White / Bracelet
Reference IW3521-01
About this watch
The IWC Ingenieur SL Chronometer IW3521-01 is a masterpiece of watchmaking that seamlessly blends precision, elegance, and history. With a rich heritage dating back to 1868, International Watch Company (IWC) has established itself as a pioneer in luxury timepieces. The Ingenieur line, known for its engineering excellence and stylish designs, takes center stage with this model. The clean white dial features stick and dot indexes that exude sophistication, while the stick hands glide smoothly over the dial, ensuring effortless time-telling. The stainless steel case, measuring 34.00 mm in diameter and 8.80 mm in height, is both durable and elegant, making it perfect for various wrist sizes. The IWC caliber 8872 movement powers this chronometer, boasting a power reserve of 40 hours and accuracy certified through rigorous testing. With a water resistance of 120 meters, this watch can withstand the elements, from swimming to rain showers. Its comfortable design and versatile aesthetic make it suitable for everyday wear, seamlessly transitioning from business attire to casual wear. The IWC Ingenieur SL Chronometer IW3521-01 is not just a timepiece; it's a legacy on your wrist, telling a story of craftsmanship, heritage, and style.
Key Features
- IWC Caliber 8872 movement
- Sapphire glass for durability and clarity
- Chronometer certified for accuracy
- Water resistance up to 120 meters
- Automatic with platinum rotor based on JLC 889/2
- 40-hour power reserve
- 36 jewels
Specifications
- Brand
- IWC
- Family
- Ingenieur
- Model
- Ingenieur SL Chronometer Stainless Steel / White / Bracelet
- Reference
- IW3521-01
- Movement
- 8872
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer
- Case
- Stainless Steel 34mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 120
Current Listings

IWC Ingenieur Automatic - 40mm - Titanium - IW328904 ( unworn / 2025 )
This listing is for an unworn IWC Ingenieur Automatic 40mm Grey Dial Titanium watch, complete with all original packaging and documentation.
- Condition: Unworn
- Case material: Titanium
- Movement: IWC 32111 Calibre
- Diameter: 40mm
IWC Ingenieur Black Dial IW322701 Automatic 42mm
This IWC Ingenieur Black Dial IW322701 Automatic is a 42.5mm mechanical automatic watch with date function and stainless steel case.
- Condition: 90%
- Case size: 42.5mm diameter
- Movement: Mechanical Automatic (80110)
- Case material: Stainless Steel
IWC INGENIEUR IW451501 Mid-size 34mm Stainless Steel
The IWC Ingenieur Mid Size is a mechanical automatic watch with date function and stainless steel case. It measures 34mm in size, making it a compact and stylish timepiece.
- Condition: 90%
- Case material: Stainless Steel
- Movement type: Mechanical Automatic
- Size description: 34mm diameter
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