IWC
IWC Pilot's Watch Double Chronograph IW377801
The IWC Pilot's Watch Double Chronograph (reference IW377801) is a 46 mm stainless steel watch with a black dial. It runs on the automatic caliber 79420.
Specifications
Case
- Reference
- IW377801
- Collection
- Pilot's Watches
- Case size
- 46 mm
- Case material
- Stainless steel
- Case shape
- Round
Dial and bezel
- Dial
- Black
Movement
- Movement
- Automatic
- Caliber
- 79420
- Functions
- Chronograph, Rattrapante
Dial versions
This reference was made with these dials and finishes.
IW377801 Black
Black
How it compares within the Pilot's Watches family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| IW377801 (This watch) | 46 mm | Stainless steel | Black | 79420 | — |
| IW328201 | 40 mm | Stainless steel | Black | 32111 | 2022– |
| IW328202 | 40 mm | Stainless steel | Black | 32111 | 2022– |
| IW328203 | 40 mm | Stainless steel | Blue | 32111 | 2022– |
| IW328204 | 40 mm | Stainless steel | Blue | 32111 | 2022– |
| IW328205 | 40 mm | Stainless steel | Green | 32111 | 2022– |
| IW388103 | 41 mm | Stainless steel | Green | 69385 | 2021– |
| IW388104 | 41 mm | Stainless steel | Green | 69385 | 2021– |
| IW388111 | 41 mm | Stainless steel | Black | 69385 | 2021– |
About the Pilot's Watches family
IWC's Pilot's Watches go back to the Special Pilot's Watch of 1936 and the Mark 11 of 1948, a navigation watch made for the Royal Air Force. Their typical features are a black dial with large numerals, a triangle at 12 and a soft-iron inner case on many models.
The modern family includes the Mark series up to the Mark XX, the Pilot's Watch Chronograph, the Spitfire and Top Gun lines and many special editions, with calibers such as the 32110 and 69385. Cases come in steel, ceramic, bronze and titanium. Dealers identify the model, size and caliber from the reference and check the strap and papers.
Quick answers
- What size is the IWC Pilot's Watch Double Chronograph IW377801?
- The IWC Pilot's Watch Double Chronograph IW377801 has a 46 mm case.
- What movement does the IWC Pilot's Watch Double Chronograph IW377801 use?
- It uses the automatic caliber 79420.
- What is the IWC Pilot's Watch Double Chronograph IW377801 made of?
- The case is stainless steel.
Catalog facts checked October 2026.