Hublot Big Bang Joyful Steel Purple: Amethyst Innovation at Watches & Wonders 2026
Hublot Completes the Joyful Rainbow With Purple Amethyst
At Watches & Wonders 2026, Hublot expanded its Big Bang Joyful collection with the introduction of the Big Bang Joyful Steel Purple (ref. 485.SV.2210.RX.1205). The new reference features 36 amethysts set into the bezel, adding purple to a lineup that already included five gemstone-equipped references from 2025.
According to aBlogtoWatch, the Steel Purple sits at the highest frequency of visible light (380 to 450 nanometers), right at the edge of human perception — a detail Hublot leans into through both the gemstone choice and the watch's overall design language.
Amethyst Bezel: Color Science Meets Gem-Setting
The 33mm stainless steel case retains the architectural, layered construction that defines the Big Bang silhouette. The iconic H-screws punctuate the bezel, while 36 natural amethysts create a continuous purple border around the polished white dial. The contrast between the rich purple stones and the clean white dial creates a visual tension that makes the amethyst bezel the undisputed focal point.
| Specification | Detail |
|---|---|
| Reference | 485.SV.2210.RX.1205 |
| Case Diameter | 33mm |
| Case Thickness | 10.55mm |
| Case Material | Satin-Finished & Polished Stainless Steel |
| Bezel | 36 Natural Amethysts |
| Movement | HUB1120 Automatic |
| Power Reserve | 40 Hours |
| Water Resistance | 100 Meters |
| Price | $15,500 USD |
One Click System: Industry-Leading Quick Change
The Steel Purple ships with two straps: a white-lined rubber strap with a central amethyst-purple insert matching the bezel stones, and a plain white rubber alternative. Both swap via Hublot's One Click quick-change system without tools — widely regarded as one of the best strap-changing mechanisms in the luxury watch industry.
The color coordination between the gemstone bezel and the purple strap insert demonstrates Hublot's attention to cohesive design execution across materials — a hallmark of the Joyful collection since its 2025 debut.
Context: The Joyful Collection's Evolution
The original Big Bang Joyful collection launched at Watches & Wonders 2025 with five references, each set with a different gemstone. The Purple Amethyst joins an existing roster that includes pink, blue, yellow, and green gemstone variants. Notably, the Red Spinel model from the 2025 launch appears to have been discontinued, making the Purple the newest entry in a streamlined lineup.
While marketed as a women's watch, aBlogtoWatch noted that the 33mm format sits comfortably even on larger wrists, with the chunky Big Bang silhouette translating effectively to the reduced package.
Frequently Asked Questions
Q: What movement powers the Hublot Big Bang Joyful Steel Purple?
A: The HUB1120 self-winding caliber based on the Sellita SW100-1a architecture, running at 28,800 vph with 18 jewels and a 40-hour power reserve.
Q: How many amethysts are set in the bezel?
A: 36 natural amethysts are set into the bezel, creating a continuous purple border around the dial.
Q: Can the straps be changed without tools?
A: Yes. The One Click system allows strap changes by pressing trapezoid-shaped buttons on the lugs — no tools required.
Related Reading
- Complete Hublot Big Bang Collection Guide 2026
- Gemstone-Set Watches: A Collector's Guide to Precious Stone Dials and Bezels
Source: Based on reporting by Mark Koester at aBlogtoWatch, published April 13, 2026.