Hublot
Square Bang Unico Titanium Chronograph Automatic Watch

  • 821.NX.0170.RX
  • 42mm
  • Clear Dial

£20,700

Available free next day delivery

Ring Size Circumference (mm)
I 48.0
J 48.7
K 50.0
L 51.2
M 52.5
N 53.8
O 55.1
P 56.3
Q 57.6
R 58.9
S 60.2
T 61.4
U 62.7
V 64.0
W 65.3
X 66.6
Y 67.8
Z 68.5

Please note that this is only a guide and will not take into account the style of ring. For example, if you are choosing a ring with a deep band width, you may need a larger size.

View the ring size guide

About This Piece

This Hublot Square Bang Unico Titanium Chronograph Automatic Watch proves that out-of-the-box craftsmanship can indeed come in the form of a box-shaped design. Looking for the timepiece of your horological engineering dreams? The openwork dial allows you to see the HUB1280 UNICO manufacture self-winding movement in all its intricate glory. Providing a power reserve of 72 hours, you can keep this flawlessly functioning timepiece on your wrist at all times, especially when the black structured rubber straps feel as good as they look.

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Editor's Notes


If offbeat is your thing then the Hublot Big Bang collection is made for you. When a watch is described as a state of mind, you know you’re on to a good thing and this collection is more than good. Much more. Inspired by the moment the universe and all its materials came together (a.k.a the Big Bang), this range is Hublot’s flagship model. And with the iconic porthole design used throughout Hublot’s watches (did you know that Hublot means porthole in French?), a Big Bang timepiece is a must for any true horology fan.

If you’re accustomed to monitoring the time a little more accurately, the sub-dials of this chronograph have all you need. And for withstanding the occasional aquatic adventure? The titanium case comes complete with a water resistance of up to 100m.