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

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

IWC - IW378401 · $6,500

This timepiece combines heavy-duty engineering with fine watchmaking, featuring a 45.5mm stainless steel case and a guilloché dial.

Case Size: 45.5mm
Power Reserve: 68h

Posted at

Mar 25, 2026, 7:29 PM

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IWC Ingenieur AMG Chronograph IW372504 - Titanium

IWC - IW372504 · $3,950

Up for sale is my Titanium IWC Ingenieur AMG Chronograph, a Genta Designed Titanium Chronograph for a steal. The watch comes in a high-quality leather strap and original box.

Condition: great condition with minor scratch on bezel
Materials: titanium case and bracelet
Strap material: leather

Posted at

Mar 25, 2026, 10:49 AM

Active

View listing on r/WatchExchange

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

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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

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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

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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

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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

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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

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