Hublot
Hublot Square Bang Unico 42 821.NX.0170.RX
The Hublot Square Bang Unico 42 (reference 821.NX.0170.RX) is a 42 mm titanium watch with a skeleton dial. It runs on the automatic caliber HUB1280 with a 72-hour power reserve and is water resistant to 100 m. It was introduced in 2022 and is still in production.
Specifications
Case
- Reference
- 821.NX.0170.RX
- Collection
- Square Bang
- Case size
- 42 mm
- Case material
- Titanium
- Case shape
- Square
- Crystal
- Sapphire
- Water resistance
- 100 m
- Bracelet / strap
- Rubber strap
Dial and bezel
- Dial
- Skeleton
Movement
- Movement
- Automatic
- Caliber
- HUB1280
- Power reserve
- 72 hours
- Frequency
- 28,800 vph
- Functions
- Flyback chronograph, Date, Skeleton
Production
- Production
- 2022 – today (current)
How it compares within the Square Bang family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| 821.NX.0170.RX (This watch) | 42 mm | Titanium | Skeleton | HUB1280 | 2022– |
| 821.CI.0170.RX | 42 mm | Black ceramic (Black Magic) | Skeleton | HUB1280 | 2022– |
| 821.HX.0170.RX | 42 mm | White ceramic | Skeleton | HUB1280 | 2022– |
| 821.NM.0170.RX | 42 mm | Titanium/ceramic | Skeleton | HUB1280 | 2022– |
About the Square Bang family
The Square Bang was introduced in 2022 as the first square Big Bang, keeping the layered construction and H-shaped screws in a square case.
The catalog lists references in titanium, Black Magic ceramic, white ceramic and titanium and ceramic, with the Unico chronograph caliber HUB1280. The square shape gives the Unico movement a different frame while keeping the Big Bang's character. Dealers identify the material from the reference, check the ceramic for chips and ask for the box and papers.
Quick answers
- What size is the Hublot Square Bang Unico 42 821.NX.0170.RX?
- The Hublot Square Bang Unico 42 821.NX.0170.RX has a 42 mm case.
- What movement does the Hublot Square Bang Unico 42 821.NX.0170.RX use?
- It uses the automatic caliber HUB1280, with a 72-hour power reserve.
- How water resistant is the Hublot Square Bang Unico 42 821.NX.0170.RX?
- It is water resistant to 100 metres.
- Is the Hublot Square Bang Unico 42 821.NX.0170.RX still in production?
- Yes, it is a current reference.
- When did the Hublot Square Bang Unico 42 821.NX.0170.RX come out?
- It was introduced in 2022.
- What is the Hublot Square Bang Unico 42 821.NX.0170.RX made of?
- The case is titanium. Bracelet or strap: Rubber strap.
Catalog facts checked September 2026.