Zenith
Zenith Defy El Primero 21 95.9000.9004/78.M9000
The Zenith Defy El Primero 21 (reference 95.9000.9004/78.M9000) is a 44 mm titanium watch with a skeleton dial. It runs on the automatic caliber El Primero 9004 with a 50-hour power reserve and is water resistant to 100 m. It was introduced in 2017.
Specifications
Case
- Reference
- 95.9000.9004/78.M9000
- Collection
- Defy
- Case size
- 44 mm
- Case material
- Titanium
- Case shape
- Round
- Crystal
- Sapphire
- Water resistance
- 100 m
- Bracelet / strap
- Titanium bracelet
Dial and bezel
- Dial
- Skeleton
- Bezel
- Fixed
Movement
- Movement
- Automatic
- Caliber
- El Primero 9004
- Power reserve
- 50 hours
- Frequency
- 36,000 vph
- Jewels
- 53
- Functions
- Chronograph (1/100th second), Power reserve indicator, Skeleton
Production
- Production
- 2017 – today (discontinued)
How it compares within the Defy family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| 95.9000.9004/78.M9000 (This watch) | 44 mm | Titanium | Skeleton | El Primero 9004 | 2017– |
| 03.A3642.670/3691.M3642 | 37 mm | Stainless steel | — | Elite 670 | — |
| 03.A3642.670/75.M3642 | 37 mm | Stainless steel | — | Elite 670 | 2022– |
| 95.9000.670/78.M9000 | 41 mm | Titanium | Skeleton | Elite 670 SK | 2018– |
About the Defy family
Defy is a Zenith name that dates back to 1969, when it was used for a robust watch with an octagonal case. Today it covers Zenith's contemporary family, with sub-lines such as Defy Classic, Defy Skyline, Defy Extreme and the high-frequency El Primero 21. This heading holds Defy references outside those sub-lines.
The catalog includes steel and titanium references with calibers such as the Elite 670 and El Primero 9004, including reissues of the 1969 case. Dealers identify the model from the reference and check the strap or bracelet.
Quick answers
- What size is the Zenith Defy El Primero 21 95.9000.9004/78.M9000?
- The Zenith Defy El Primero 21 95.9000.9004/78.M9000 has a 44 mm case.
- What movement does the Zenith Defy El Primero 21 95.9000.9004/78.M9000 use?
- It uses the automatic caliber El Primero 9004, with a 50-hour power reserve.
- How water resistant is the Zenith Defy El Primero 21 95.9000.9004/78.M9000?
- It is water resistant to 100 metres.
- Is the Zenith Defy El Primero 21 95.9000.9004/78.M9000 still in production?
- Discontinued.
- When did the Zenith Defy El Primero 21 95.9000.9004/78.M9000 come out?
- It was introduced in 2017.
- What is the Zenith Defy El Primero 21 95.9000.9004/78.M9000 made of?
- The case is titanium. Bracelet or strap: Titanium bracelet.
Catalog facts checked September 2026.