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Hublot · Big Bang

Big Bang Unico

Ref. 421.NX.1170.RX

currentIn-house Unico (HUB1280)DocumentedLast reviewed Not yet reviewed
Lineage← 301.SX.130.RX421.NX.1170.RXCompare with previous

Reference photography not yet on file

The in-house Unico generation: a column-wheel flyback chronograph (~72h) shown through a skeletonised dial, with the One-Click interchangeable strap.

At a glance

Brand
Hublot
Collection
Big Bang
Reference
421.NX.1170.RX
Production
2019–present
Caliber
HUB1280 Unico
Case diameter
42mm
Case material
Titanium

Related references

Reference family timeline

Every generation in this lineage in production order. Spans are as documented; an open end means the reference is current or its end year is not established.

  1. 301.SX.130.RX“Original Big Bang”

    Big Bang · HUB44 (Valjoux 7750 base)

    2005
  2. 421.NX.1170.RX

    Big Bang Unico · HUB1280 Unico

    2019–This reference