Milanese microbrand UNIMATIC has long earned acclaim among horological purists for stripped-back, military-leaning dive watch architecture. By paring down dial elements to their absolute essentials while maintaining extreme tactical durability, the brand has carved out a unique aesthetic signature.
With the release of the UNIMATIC Modello Uno U1-GMT-TSP Limited Edition, the Italian outfit marries its iconic design language with a unexpected inspiration: high-stakes international tennis.
Priced at £830 and strictly limited to just 99 individually numbered pieces worldwide, this GMT diver translates the visual drama of championship clay courts into a robust tool watch.
* Case Dimensions: 40.0mm (41.5mm w/ Bezel) | 316L Sandblasted Stainless Steel
* Dial: Clay-Court Red Heavy Grené w/ Super-LumiNova GL C1
* Movement: Automatic NH35A-Based GMT Calibre (21,600 BPH / 41-Hour Power Reserve)
* Glass: 2.5mm Double-Domed Sapphire Lens w/ Anti-Reflective Coating
* Water Resistance: 300M / 30 ATM (300 Metres)
* Strap: Black Nylon w/ Safety Yellow 3-Layer Nylon Keeper
Clay-Court Aesthetics Meets High-Contrast Legibility
The focal point of the U1-GMT-TSP is its clay-court red heavy grené dial. The granular texture captures light across the display, mimicking the rich surface of classic European tennis courts.
Contrasting against the deep crimson background is a matte white open second rail alongside matte black phantom hour and minute hands filled with white Super-LumiNova GL C1.
Tracking a second time zone is handled by a matte black 24-hour hand featuring a hollow arrow tip filled with matching C1 lume. The high-contrast palette ensures legibility remains razor-sharp whether sitting courtside under bright sunlight or navigating dark waters.
Italian Industrial Architecture
Constructed from marine-grade 316L stainless steel, the 40mm case (41.5mm across the bezel) features UNIMATIC’s signature sandblasted finish.
A 120-click mono-directional safety bezel houses a scratch-resistant matte black ceramic insert, providing tactile friction for timing events.
“By pairing a textured clay-court red dial with a safety-yellow accent keeper and 300-metre water resistance, UNIMATIC turns a sports-inspired motif into a serious piece of mechanical gear.”
Securing the case against moisture is the brand’s oversized 8mm Alchemical Sun screw-down crown, which helps guarantee an impressive 300M (30 ATM) depth rating.
Protecting the dial is a thick 2.5mm double-domed sapphire crystal treated with an internal anti-reflective coating to reduce glare.
Mechanical GMT Engine & Collector Presentation
Flipping the watch over reveals a custom screw-down caseback stamped with an exclusive tennis ball motif, concealing an automatic NH35A-based GMT movement inside.
Ticking at 21,600 vibrations per hour (3Hz) with a 41-hour power reserve and hacking seconds, the self-winding calibre delivers reliable dual-time keeping across global travel.
| Feature Specification | Detail |
| Retail Price | £830 GBP |
| Calibre Architecture | Automatic NH35A-Based GMT (21,600 BPH) |
| Bezel Assembly | 120-Click Mono-Directional w/ Ceramic Insert |
| Caseback Detail | Screw-Down w/ Engraved Tennis Ball Motif |
| Packaging | Heavy-Duty UNIMATIC Tough Case w/ ID-Seal Card |
The watch comes fitted on a heavy-duty two-piece black nylon strap, accented by a three-layer nylon keeper in bright safety yellow that echoes the shade of a fresh tennis ball.
Delivered in a heavy-duty UNIMATIC presentation tough case alongside a branded warranty card featuring a unique ID seal, the UNIMATIC Modello Uno U1-GMT-TSP (£830) is a bold, highly collectible fusion of Italian industrial minimalism and sporting heritage.
