Stainless steel case with a black leather strap. Fixed stainless steel bezel with tachymeter markings. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 6 o'clock position. Chronograph - two sub-dials displaying: 60 second and 60 minute. Automatic movement with a 68 hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Skeleton case back. Case diameter: 45.5 mm. Round case shape. Tang clasp. Water resistant at 120 meters / 400 feet. Functions: chronograph, tachymeter date, hour, minute, second. Luxury watch style. IWC Big Ingenieur Chronograph Automatic Black Dial Black Leather Men's Watch IW378406
Basic Information
| Gender | Mens |
|---|---|
| Watch Label | Swiss Made |
| Movement Type | Automatic |
| Style | Luxury Watches |
Case
| Case Size | 45.5 mm |
|---|---|
| Case Thickness | 14.5 mm |
| Case Material | Stainless Steel |
| Case Shape | Round |
| Case Back | Skeleton |
| Case Crystal | Scratch Resistant Sapphire |
| Case Crown | Screw Down |
| Water Resistance | 120 meters / 400 feet |
Dial
| Dial Type | Analog |
|---|---|
| Dial Color | Black |
| Hands | Silver-tone |
| Bezel Material | Fixed Stainless Steel with Tachymeter |
| Luminiscence | Hands and Markers |
Strap & Bracelet
| Clasp Type | Tang |
|---|---|
| Band Type | Strap |
| Strap Material | Black Leather |
| Second Markers | Minute Markers around the outer rim |
Features
| Functions | Chronograph, Tachymeter Date, Hour, Minute, Second |
|---|---|
| Features | Chronograph, Leather, Stainless Steel |
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November 30, 2025