The Hublot caliber HUB1280 is an in-house movement manufactured by Hublot for Hublot watches. It is an automatic flyback column wheel chronograph. One unique offering of this caliber is the view of the column wheel from the dial side of the movement.
Protected by four patents, this caliber was announced in 2018 as an update to the original Uniqo that first launched in 2010.
Original Unico VS This Unico 2:
The Unico 2 (HUB1280) is the second iteration of Hublot’s Unico line of movements. This version is 1.3mm flatter (6.75mm thick), allowing for slimmer case designs and fitment in the unisex 42mm cases rather than the original Unico which was made for 45mm models.
Hublot chronograph watches equipped with the UNICO HUB1280 movement can switch between timing measurements with a single press, instead of three.
Activate the chronograph by pressing push-piece (A).
To go directly to the next sequence, press push-piece (B), which will restart your chronograph with a new time measurement.
“The Unico 2 caliber was designed to equip smaller chronographs and also open the world of Hublot to new enthusiasts. It retains the unique design of its former version with a double coupling system visible from the dial side as well as a 72-hour power reserve. But thanks to various technical optimizations, including the introduction of a new, flatter automatic winding system, it has been reduced by 1.3 mm in thickness.”
Notice the column wheel mechanism visible from the dial side of the movement at 6:00.