Modello Quattro U4-GMT-NRD
Limited Edition - GMT
890€Tax & duties included
Made in Italy GMT military watch
Japanese automatic movement
Oliva calf leather two-piece quick-release strap with stitches
Ref. UWK-U4-GMT-NRDEdition of 200
Buy Now, Pay Later. 3 payments at 0% interest.
Estimated shipping within 2/4 business days.
You may return the product within 14 days.
24 months warranty.
Description Discover more
This new serie is built around a vintage military sensibility, drawing in part from the graphic clarity of Vietnam-era field watch dials. The Inspiration comes through in the longer markers, the reduced layout, and the restrained contrast between matte taupe and matte black. The two palettes are used to emphazise the watches’ instrument-like character: DRD uses taupe for a warmer, dustier expression associated with daytime iads, while NRD shifts matte black to the forefront, giving the collection a darker, more tactical presence inspired by night operations.
Across Modello Uno, Modello Tre, and Modello Quattro, including the GMT executions, the collection combines matte dials, old-radium luminous accents, and two-piece quick-release leather straps in sand or oliva tones for a cohesive military-inspired look with decorative stitching that subtly recalls parachute construction, adding texture and character without compromising the clean overall design.
Movement
Automatic caliber Seiko NH35A 21600BPH
GMT function
Hacking seconds hand
Self-winding / manual winding
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® GL Old Radium Light
Matte taupe open second rail and dial trims
Matte black color 24H, hollow arrow tip in Super-LumiNova® GL Dark Orange
Date window h6
Durability & protection
300m ≈ 1000ft ≈ 30atm WR Individually tested
2.5mm thick double domed sapphire
Inner side anti-reflective coating
Parachute screw-down caseback
Design
Modello Quattro case design
Individually numbered, edition of 200
Oliva leather two-piece quick-release strap with matching stitches
UNIMATIC tough case, warranty card with unique ID seal
FAQ Frequently Asked Questions
What is an automatic watch?
The UNIMATIC automatic watch is a self-winding mechanical timepiece powered not by a battery, but by the natural kinetic energy generated from the wearer’s arm movements.
Automatic watches are more sensitive to factors like temperature fluctuations, impacts, and how they are worn.
Consequently, they may not run as precisely as quartz watches, and any timekeeping variations depend on the specific movement type.
Based on experience, new mechanical watches may initially show slight time inaccuracies, which generally self-regulate over time.
Are UNIMATIC watches truly professional diver tools?
Yes. Every diver is water resistant to 300m, individually pressure-tested, and built around a screw-down caseback and crown with a mono-directional safety bezel, fully rated for professional diving.
Why is every UNIMATIC watch individually numbered?
Each piece is produced and individually numbered with an engraved number on the caseback.
Inside the packaging, the international warranty card handwritten, further confirming the authenticity and unique place of each piece within the series.
How durable are UNIMATIC watches for daily wear?
The 316L stainless steel case, double-domed sapphire crystal with anti-reflective coating and 360° protection system are engineered to take daily knocks in stride, from the desk to the water.
What kind of lume is used for low-light visibility?
Hands and indices are treated (unless stated) with Super-LumiNova® colours picked to match the design details, delivering a strong, long-lasting glow for clear legibility in low-light and underwater conditions. It is not radioactive and requires exposure to light (natural or artificial) to charge.
Are UNIMATIC watches water resistant?
All UNIMATIC cases are engineered to provide exceptional water resistance. Every UNIMATIC watch is individually tested to ensure a minimum water resistance of 300m (30 ATM), while selected on case modello 1 featuring our enhanced case construction are tested to withstand 600m (60 ATM).
Before exposing your watch to water, always make sure the crown and, where applicable, the pushers are fully screwed down and securely tightened. Never operate the crown or pushers while the watch is underwater.
After use in seawater, rinse the watch thoroughly with fresh water and dry it completely.Please refer to your specific model's technical specifications to confirm its certified water resistance rating.
What is a reference number?
A reference number is an alphanumeric code associated with each watch model (e.g., U1S-T-MP).
You can find the reference number in the documents provided at the time of purchase, such as the International Warranty certificate, or on the case-back of your watch.
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