Black, in relief
The AEB execution features a matte black dial, allowing the Impronte details to emerge through subtle shifts in light and shadow. A debossed open seconds rail and recessed trims create depth while preserving the U4’s restrained, utilitarian character.
DescriptionDiscover more
The UNIMATIC Modello Quattro U4-AEB is a limited-edition automatic military watch designed for reliable everyday performance. Made in Italy, this 300m water-resistant military watch features a 40mm brushed 316 stainless steel case with a fixed monoblock bezel. The functional matte black dial features Super-LumiNova® C1, with subtle debossed open seconds rail and dial trims, paired with matching hands for enhanced legibility. Built for demanding conditions, the 30atm watch is equipped with a 2.8mm thick flat sapphire crystal with inner-side anti-reflective coating and a distinctive “wrinkled” caseback. Powered by the automatic NH35A movement, it features hacking seconds, bi-directional automatic winding and handwinding, with more than 41 hours of power reserve. The UNIMATIC U4-AEB comes fitted with a black seatbelt NATO strap and includes an additional olive drab seatbelt NATO strap. Limited to 250 individually numbered pieces worldwide, this automatic military watch is delivered in a UNIMATIC tough case with a warranty card featuring a unique ID seal.
Movement
Automatic caliber NH35A 21600BPH
Hacking seconds hand
Bi-directional automatic winding + handwinding
Accuracy -20~+40s/ day
More than 41h power reserve
Case
Diameter 40mm
Fixed monoblock bezel
316 stainless steel case brushed finish
Dial
Matte black dial
Super-LumiNova® C1
Debossed open second rail and dial trims
Durability & protection
300m ≈ 1000ft ≈ 30atm WR Individually tested
2.8mm thick flat sapphire
Inner side anti-reflective coating
“Wrinkled” caseback
Design
Modello Quattro case design
Individually numbered, edition of 250
What's included
Black seatbelt NATO strap
EXTRA olive drab seatbelt NATO strap
UNIMATIC tough case, warranty card with unique ID seal