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

Reference IW3818-02

IWC Ingenieur Perpetual Calendar Digital Date-Month Titanium / Slate

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

IWC Ingenieur 40mm Aqua Dial 2025 Complete Kit

IWC - IW328903 · $9,500

This IWC Ingenieur features a 40mm Aqua Dial and has a thin 10.7mm case with a 120 hour power reserve.

Condition: Incredible Preowned Condition
Case thickness: 10.7mm
Diameter: 40mm
Power reserve: 120 hours

Posted at

Dec 11, 2025, 9:33 AM

Active

View listing on r/WatchExchange

IWC Micro Adjust Clasp for Ingenieur 40 & Others

IWC - IW32890x · $375

Additional details on a preowned IWC clasp for the Ingenieur 40 and other models, allowing micro adjustment instead of the stock butterfly clasp.

Condition: Excellent condition
Compatible Watches: Not specified, but confirmed compatible with 40mm IW32890x model Ingenieur. Cross reference required for other models.

Posted at

Dec 11, 2025, 9:28 AM

Active

View listing on r/WatchExchange

IWC Ingenieur Automatic IW357001 $2,699

IWC - IW357001 · $2,699

The IWC Ingenieur IW3570 is a well-crafted watch that combines classic design with modern functionality. It has balanced proportions and quality finishing, making it a strong contender in its category.

Condition: Pre-owned with minor scratches on polished bezel
Case Size: 40mm diameter
Case Thickness: 10.3mm
Lug Width: 20mm

Posted at

Dec 10, 2025, 12:49 PM

Active

View listing on r/WatchExchange