IWC Ingenieur Ingenieur Perpetual Calendar Digital Date-Month Titanium / Slate

Reference IW3818-02

About this watch

The IWC IW3818-02 Ingenieur Perpetual Calendar Digital Date-Month Titanium / Slate is a masterpiece of horological excellence. Crafted from lightweight and durable titanium, this watch boasts a commanding presence on the wrist with its 45mm diameter and 17.40mm height. The slate grey color exudes sophistication, while the sapphire glass ensures crystal-clear visibility even after years of wear. With a water resistance of 120 meters, this watch is versatile for any occasion, from formal events to casual outings or swimming. The IWC Caliber 89800 automatic movement boasts 52 jewels and a power reserve of 68 hours, ensuring precision and robustness. The perpetual calendar function automatically adjusts for months with different numbers of days, leap years, and more. This watch is not only a time-telling tool but also a statement piece that embodies the essence of luxury and precision. With its perfect blend of style and functionality, this timepiece is sure to make an impression whether you're in the boardroom or enjoying a weekend getaway.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Limited edition with 100 units produced
  • Durable titanium construction
  • Advanced perpetual calendar function
  • Exceptional chronograph features
  • Elegant and versatile design
  • Water resistance up to 120 meters

Specifications

Brand
IWC
Family
Ingenieur
Model
Ingenieur Perpetual Calendar Digital Date-Month Titanium / Slate
Reference
IW3818-02
Movement
89800
Movement Features
  • Hours, Minutes, Small Seconds
  • Big Date, Leap Year, Month, Perpetual Calendar, Date
  • Chronograph, Flyback
Case
45mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
120

Current Listings

[WTS] PRICE DROP! IWC Ingenieur Chronograph Limited Racing Edition Ref IW380702

PRICE DROP! IWC Ingenieur Chronograph Limited Racing Edition Ref IW380702

IWC - IW380702 · $3,250
This IWC Ingenieur Chronograph Limited Racing Edition features a gray sunburst dial with racing red pops and an in-house automatic chronograph caliber 69370 movement.

  • Condition: Super clean, light wear as expected
  • Case size: 42MM
  • Diameter: 42MM diameter
  • Movement type: In house automatic chronograph
Posted at
May 12, 2026, 9:44 PM
Active
[WTS] IWC Ingenieur Automatic Black Ceramic 42mm IW338903 ( unworn / 2026 / box and papers )

IWC Ingenieur Automatic Black Ceramic 42mm IW338903 ( unworn / 2026 / box and papers )

IWC - IW338903 · $19,450
This IWC Ingenieur Automatic is a 42mm black ceramic watch with an automatic movement and comes with all original boxes, papers, and warranty.

  • Condition: Unworn
  • Case size: 42mm diameter
  • Movement: IWC 82110 Calibre Movement
Posted at
May 11, 2026, 12:36 PM
Active
[WTS] IWC Ingenieur Automatic 40mm Blue IW328907 ( unworn / 2026 / box and papers )

IWC Ingenieur Automatic 40mm Blue IW328907 ( unworn / 2026 / box and papers )

IWC - IW328907 · $10,250
This IWC Ingenieur Automatic watch features a 40mm stainless steel case and IWC 32111 calibre movement. It comes with a blue dial and is complete with all boxes, papers, and tools.

  • Condition: unworn
  • Case material: stainless steel
  • Movement: IWC 32111 Calibre
  • Shipping cost international: 150
Posted at
May 11, 2026, 12:21 PM
Active
[WTS] IWC Ingenieur ref. 3305 | Gerald Genta Design

IWC Ingenieur ref. 3305 | Gerald Genta Design

IWC - 3305 · $3,500
The IWC Ingenieur ref. 3305 is a refined luxury steel sports watch with a white graph paper dial, designed by Gérald Genta and features a screwed-in bezel and integrated H-link bracelet.

  • Condition: Very good overall condition
  • Case Diameter: 34 mm
  • Case Thickness: 8.8 mm
  • Dial Type: White Graph Paper Mesh
Posted at
May 10, 2026, 3:40 PM
Active
[WTS] IWC Ingenieur Automatic 42 – Full Ceramic – Complete Set Mint Condition – IW338903

IWC Ingenieur Automatic 42 – Full Ceramic – Complete Set Mint Condition – IW338903

IWC - IW338903 · $17,500
The IWC Ingenieur Automatic 42 Ceramic features a full black ceramic case and integrated bracelet, with exceptional scratch resistance and a lightweight design. The textured grid dial, bold indices, and signature bezel design give it a strong, technical presence.

  • Condition: Mint all around condition
  • Movement: IWC 82110 automatic in-house movement
  • Water Resistance: 100m depth rating
  • Case Size: 42mm diameter
Posted at
May 10, 2026, 1:51 PM
Active
[WTS] IWC Ingenieur Automatic 40 IW328904 Titanium Complete

IWC Ingenieur Automatic 40 IW328904 Titanium Complete

IWC - IW328904 · $14,250
The IWC Ingenieur Automatic 40 IW328904 is a masterclass in engineering-driven design, blending heritage, innovation, and everyday wearability into one of the most compelling modern luxury sports watches on the market. Crafted from lightweight yet highly durable titanium, the 40mm case and integrated bracelet deliver exceptional comfort while maintaining a bold, technical presence on the wrist.

  • Condition: Mint condition
  • Material: Titanium
  • Case size: 40mm diameter
  • Water resistance: unknown
Posted at
May 9, 2026, 3:01 PM
Active
[WTS] IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )

IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )

IWC - IW328904 · $14,450
This IWC Ingenieur Automatic 40mm Titanium watch features a grey dial and comes complete with all boxes, papers, booklets, tools, and an IWC Warranty Card. It is in unworn condition.

  • Condition: Unworn
  • Case size: 40mm diameter
  • Movement: IWC Calibre 32111
Posted at
May 6, 2026, 1:17 PM
Active
[WTS] 2024 IWC Ingenieur Titanium IW328904 - Full Set with Extended Warranty

2024 IWC Ingenieur Titanium IW328904 - Full Set with Extended Warranty

IWC - IW328904 · $13,299
  • Condition: Pristine pre-owned condition
  • Case Size: 40mm diameter
  • Case Thickness: 10.8mm
  • Water Resistance: 100m / 330ft depth rating
Posted at
May 6, 2026, 9:24 AM
Active
[WTS] IWC Ingenieur Chronograph Limited Edition Rudolph Caracciola Racing Ref IW380702

IWC Ingenieur Chronograph Limited Edition Rudolph Caracciola Racing Ref IW380702

IWC - IW380702 · $3,350
A limited edition IWC Ingenieur Chronograph in honor of Rudolf Caracciola, featuring a gray sunburst dial and stainless case. It's powered by the in-house chronograph caliber 69370 movement.

  • Condition: Super clean condition, with light wear as expected
  • Case size: 42MM
  • Movement type: In-house automatic chronograph
Posted at
May 5, 2026, 9:38 PM
Active