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 Black Ceramic Bezel Ref IW323401 w/ Multipe Straps NEW YEAR’S SPECIAL JUST $2895!

IWC Ingenieur Black Ceramic Bezel Ref IW323401 w/ Multipe Straps NEW YEAR’S SPECIAL JUST $2895!

IWC - IW323401 · $2,895
This is a modern iteration of IWC's anti-magnetic classic, the Ingenieur, featuring a black tapisserie style dial and ceramic bezel.

  • Condition: Mint condition
  • Case Diameter: 44mm
  • Movement Type: Automatic cal 80111
  • Crystal Type: Sapphire crystal
Posted at
Dec 31, 2025, 5:52 PM
Active
[WTS] IWC Ingenieur Automatic 40 Full Steel Black Dial 2017 (Full-Set/Unpolished)

IWC Ingenieur Automatic 40 Full Steel Black Dial 2017 (Full-Set/Unpolished)

IWC - IW323902 · $10,850
This IWC Ingenieur Automatic 40 is a modern classic in excellent condition. The black dial offers strong legibility and a balanced aesthetic. The watch comes complete with original boxes and papers.

  • Condition: Excellent overall condition, with light honest signs of wear
  • Case diameter: 40mm
  • Water resistance: 3 ATM (30 meters)
  • Bracelet: stainless steel with all links
Posted at
Dec 27, 2025, 4:39 AM
Active
[WTS] IWC Ingenieur Aqua Green IW328903

IWC Ingenieur Aqua Green IW328903

IWC - IW328903 · $8,950
The watch features a beautiful Aqua Green dial and is in excellent condition, with only minor hairlines on the middle links.

  • Condition: 9/10, minor hairlines on middle links
  • Case material: polished steel
  • Warranty status: active until September 3, 2032
Posted at
Dec 25, 2025, 11:13 AM
Active
[WTS] IWC Ingenieur Chronograph L.E. 1 out of 750 In-house Mvmt IW380702 $3,550

IWC Ingenieur Chronograph L.E. 1 out of 750 In-house Mvmt IW380702 $3,550

IWC - IW380702 · $3,550
This IWC Ingenieur Chronograph Edition 'Rudolf Caracciola' is a limited edition of 750 pieces, featuring an in-house movement and a functional instrument look.

  • Condition: Pre-owned with minor scratches
  • Movement: Calibre 69370 with 46 hour power reserve
  • Water resistance: 60m depth rating
  • Case size: 42mm diameter
Posted at
Dec 19, 2025, 11:10 AM
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
IWC Ingenieur Automatic - 40mm - Black Dial - IW328901 ( unworn / 2025 )

IWC Ingenieur Automatic - 40mm - Black Dial - IW328901 ( unworn / 2025 )

IWC - IW328901 · $9,995
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
Posted at
Mar 28, 2025, 3:41 PM
Active
1980's IWC Ingenieur Ref. IW3506 with Box

1980's IWC Ingenieur Ref. IW3506 with Box

IWC - IW3506 · $5,950
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
Posted at
Mar 27, 2025, 1:34 PM
Active
IWC Ingenieur Aqua Green IW328903 LNIB

IWC Ingenieur Aqua Green IW328903 LNIB

IWC - IW328903 · $8,350
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
Posted at
Mar 20, 2025, 1:28 PM
Active
BNIB IWC IW328904 Ingenieur TITANIUM 40 NEW MODEL Grey Dial 2025

BNIB IWC IW328904 Ingenieur TITANIUM 40 NEW MODEL Grey Dial 2025

IWC - IW328904 · $12,500
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
Posted at
Mar 19, 2025, 5:54 PM
Active