Modello Quattro U4-AEB limited edition 40mm watch with black dial on fabric strap and included extra fabric strap
Modello Quattro U4-AEB 40mm limited edition watch with dark gunmetal case glowing green dial and two black fabric straps
Back view of Modello Quattro U4-AEB 40mm watch with engraved case back and XXX/250 edition marking

Authorized Dealer. Unimatic official 2 year warranty included

Unimatic

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

$780

Limited edition of 250 pieces
Unimatic
$780

Modello Quattro U4-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

Everyday

Lug to Lug

49 mm

Lug Width

22 mm

Movement

Automatic

Reference

U4-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 inner side anti-reflective coating

Dial Color

Black

Dial Features

Matte black dial with subtle debossed seconds rail and dial trims

Hands

Hacking seconds hand bi-directional automatic and handwinding

Lume

Super-LumiNova® C1 pale green

Strap / Bracelet Material

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

Movement

Accuracy

'-20/+40 secs/day

Caliber

Seiko NH35A

Features

Hacking seconds hand bi-directional automatic + handwinding

Movement

Automatic

Power Reserve

41 Hours

Vibrations Per Hour

21,600 vph

Complication

Time Only

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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.

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