Zenith
Zenith Chronomaster Open Stainless Steel / Blue Gradient / Japan 03.3301.3604/51.M3330
The Zenith Chronomaster Open Stainless Steel / Blue Gradient / Japan (reference 03.3301.3604/51.M3330) is a stainless steel watch with a blue dial.
Specifications
Case
- Reference
- 03.3301.3604/51.M3330
- Collection
- Chronomaster Open
- Case material
- Stainless steel
Dial and bezel
- Dial
- Blue
Dial versions
This reference was made with these dials and finishes.
03.3301.3604/51.M3330 Blue
Gradient
How it compares within the Chronomaster Open family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| 03.3301.3604/51.M3330 (This watch) | — | Stainless steel | Blue | — | — |
| 03.3300.3604/21.C822 | — | Stainless steel | Black | — | — |
| 03.3300.3604/21.M3300 | — | Stainless steel | Black | — | — |
| 03.3300.3604/51.M3300 | — | Stainless steel | Blue | — | — |
| 03.3300.3604/69.C823 | — | Stainless steel | Silver | — | — |
| 03.3300.3604/69.M3300 | 39.5 mm | Stainless steel | Silver | El Primero 3604 | 2022– |
| 18.3300.3604/69.C922 | — | Rose gold | Silver | — | — |
| 18.3301.3604/72.C870 | — | Rose gold | Rose | — | — |
About the Chronomaster Open family
The Chronomaster Open is Zenith's chronograph with an opening in the dial that shows the El Primero's escape wheel and balance at work. The 2022 generation uses the El Primero 3604, based on the 3600 with timing to a tenth of a second.
The catalog lists steel and rose gold references with several dial colours. Dealers identify the generation and dial from the reference and check the bracelet or strap.
Quick answers
- What is the Zenith Chronomaster Open Stainless Steel / Blue Gradient / Japan 03.3301.3604/51.M3330 made of?
- The case is stainless steel.
Catalog facts checked October 2026.