IWC Ingenieur Big Ingenieur Black / Alligator

Reference IW5005-01

About this watch

The IWC IW5005-01 Big Ingenieur Black / Alligator is a masterpiece of horological engineering, boasting a 45.50 mm stainless steel case that exudes elegance and sophistication. The striking black dial features stick and dot indexes, while the sleek hands ensure focus remains on the time, date, and power reserve indicator. Powered by the IWC caliber 51113 automatic movement, this watch showcases precision and durability with a 168-hour power reserve. The sapphire glass is scratch-resistant, and the open case back adds transparency to the intricate movement within. This luxury statement piece is suitable for formal occasions and casual outings alike, thanks to its balanced design and alligator leather strap. Whether you're seeking an investment or simply want a beautiful timepiece, this watch checks all the boxes.
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Key Features

  • 45.50 mm stainless steel case
  • IWC caliber 51113 automatic movement
  • 168-hour power reserve
  • Scratch-resistant sapphire glass
  • 120 meters water resistance
  • Alligator leather strap
  • Open case back

Specifications

Brand
IWC
Family
Ingenieur
Model
Big Ingenieur Black / Alligator
Reference
IW5005-01
Movement
51113
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Power Reserve Indicator
Case
Stainless Steel 45.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
120

Current Listings

[WTS] IWC Ingenieur Perpetual Calendar IW379201 Black Dial 46mm - $22,900

IWC Ingenieur Perpetual Calendar IW379201 Black Dial 46mm - $22,900

IWC - IW379201 · $22,900
The IWC Ingenieur Perpetual Calendar IW379201 is a bold and technically impressive timepiece that blends the industrial design language of the Ingenieur line with one of watchmaking’s most respected complications.

  • Condition: Excellent
  • Size: 46mm diameter
  • Water resistance: 120m depth rating
  • Movement: IWC automatic perpetual calendar chronograph movement with ~68 hours power reserve
Posted at
Mar 21, 2026, 12:23 PM
Active
[WTS] IWC Ingenieur Automatic Aqua Blue IW328903

IWC Ingenieur Automatic Aqua Blue IW328903

IWC - IW328903 · $10,200
This watch comes as a complete set and is available for sale.

  • Condition: Very good pre-owned condition
  • Shipping: overnight via Miami, FL
  • Insurance: insured
Posted at
Mar 18, 2026, 10:07 AM
Active
[WTS] BNIB Jul-2025 IWC Ingenieur 40 Blue - from AD w. All Boxes/Papers/8yr IWC Warranty

BNIB Jul-2025 IWC Ingenieur 40 Blue - from AD w. All Boxes/Papers/8yr IWC Warranty

IWC - Ingenieur 40 Blue · $10,750
The IWC Ingenieur 40 blue is a re-introduction of one of Genta's big three integrated bracelet steel sports watch designs. It features a stunning steel blue dial in a checkerboard pattern and a fully tool-less design bracelet.

  • Condition: New, unworn (BNIB)
  • Year Bought: 2025
  • Size: 40mm diameter
  • Material: Steel
Posted at
Mar 16, 2026, 12:55 PM
Active
[WTS] IWC Ingenieur Aqua Dial IW328903🔥Preowned 2024, $9500+✈️🔥

IWC Ingenieur Aqua Dial IW328903🔥Preowned 2024, $9500+✈️🔥

IWC - IW328903 · $9,500
The seller is listing an IWC Ingenieur Aqua Dial from 2024. The watch has been worn carefully and still has aftermarket protection stickers, along with its original box and card.

  • Condition: Preowned
  • Shipping cost (us): 85
  • Tariffs included: yes
Posted at
Mar 15, 2026, 11:37 PM
Active
[WTS] IWC Ingenieur Black Dial IW323902 🔥Preowned Complete, 5k+✈️🔥

IWC Ingenieur Black Dial IW323902 🔥Preowned Complete, 5k+✈️🔥

IWC - IW323902 · $5,000
This IWC Ingenieur features a black dial and comes complete with its box and card.

  • Condition: Preowned
  • Shipping-costs-us-states: $85
  • Payment-methods: Wire, Credit Card
  • Authentication-assurance: Authenticity & Trust is of utmost importance to us.
Posted at
Mar 14, 2026, 12:30 AM
Active
[WTS] IWC Big Ingenieur Flyback Chronograph – Guilloché Dial – Box & Papers

IWC Big Ingenieur Flyback Chronograph – Guilloché Dial – Box & Papers

IWC - IW378401 · $6,500
A watch for those who want a true chronograph tool with the elegance to double as a statement piece — robust for everyday use, refined for evenings.

  • Case diameter: 45.5mm
  • Movement: in-house Calibre 89360
Posted at
Mar 11, 2026, 8:53 PM
Active
[WTS] IWC Ingenieur Automatic IW357001 $2,599

IWC Ingenieur Automatic IW357001 $2,599

IWC - IW357001 · $2,599
The IWC Ingenieur IW3570 is a well-crafted, comfortable, and aesthetically pleasing watch that combines a classic design with modern functionality. The watch has balanced proportions, comfortable wearability, and quality finishing make it a strong contender in its category.

  • Condition: pre-owned with minor scratches on bezel
  • Case Size: 40mm diameter
  • Movement: IWC Caliber 35111 (Sellita SW300-1a based)
  • Power Reserve: 42 hours
Posted at
Mar 11, 2026, 1:36 PM
Active
[WTS] IWC Ingenieur Teal ($10,500)

IWC Ingenieur Teal ($10,500)

IWC - IW328903 · $10,500
This IWC Ingenieur Teal features a teal dial in a 40mm case. It's dated March 2024 and comes with additional items.

  • Condition: very good
  • Diameter: 40mm
Posted at
Mar 9, 2026, 2:50 PM
Active
IWC Ingenieur Automatic  - IW323902 - Black - Stainless Steel - 39mm - Mint

IWC Ingenieur Automatic - IW323902 - Black - Stainless Steel - 39mm - Mint

IWC - IW323902 · $5,495
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
Posted at
Apr 8, 2025, 12:56 AM
Active