Front view of Modello Quattro U4-GMT-AEB 40mm watch with black dial brushed steel case and black fabric strap plus extra strap
Modello Quattro U4 GMT AEB 40mm watch with black fabric strap and extra fabric strap featuring glowing green luminescent markers
Back view of the U4 GMT AEG limited edition watch with engraved mountain motif and XXX/250

Authorized Dealer. Unimatic official 2 year warranty included

Unimatic

Modello Quattro U4-GMT-AEB Limited Edition 40mm - Black on Fabric Strap w/ Additional Fabric Strap

$920

Limited edition of 250 pieces

Unimatic
$920

Modello Quattro U4-GMT-AEB Limited Edition 40mm - Black on Fabric Strap w/ Additional Fabric Strap

The Details

  • 40 mm

    Case Size

  • 13.7 mm

    Case Height

  • 49 mm

    Lug to Lug

  • 300m

    Water Resistance

Overview

Case Height

13.7 mm

Case Size

40 mm

Collection

U4

Style

GMT

Lug to Lug

49 mm

Lug Width

22 mm

Movement

Automatic

Reference

U4-GMT-AEB

Release Date

2026-08-11

Water Resistance

300m

Case

Bezel

Fixed monoblock bezel

Caseback

“Wrinkled” caseback

Case Material

316L Stainless steel

Clasp / Buckle

Stainless steel brushed hardware signed UNIMATIC

Crystal

2.8mm thick flat sapphire with anti-reflective coating on lens inner-side

Dial Color

Black

Dial Features

Matte black dial with subtle debossed seconds rail and dial trims

Hands

Hacking seconds hand

Lume

Super-LumiNova® C1 white

Strap / Bracelet Material

Black seatbelt one-piece strap and Olive drab seatbelt one-piece strap

Movement

Accuracy

'-20/+40 secs/day

Caliber

Seiko NH34A

Functions

GMT function and hacking seconds hand

Movement

Automatic

Power Reserve

41 Hours

Vibrations Per Hour

21,600 vph

Complication

GMT

Why Buy From Teddy?

All watches ship free within the U.S.

Manufacturer's warranty on all orders

About Unimatic

Modern Italian Craftsmanship

Unimatic, founded in 2015 by Giovanni Moro and Simone Nunziato, operates as a continuous watchmaking research lab offering unique, Italian-made watches that blend excellent design, iconic elements, and cutting-edge technical solutions. Their first product, the Modello Uno, was followed by a field watch and a chrono-diver, all water-resistant to 300 meters. Each watch is individually engraved with a serial number and total production quantity, ensuring uniqueness.

Learn more
Unimatic
Unimatic