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Home » Watch Reviews » Hands-On With Unimatic’s New Modello Uno U1S-PD6

Hands-On With Unimatic’s New Modello Uno U1S-PD6

March 13, 2026 by Matthew Catellier Leave a Comment

Hands-On With Unimatic's New Modello Uno U1S-PD6

Just a while back I reviewed Unimatic’s ProDiver Modello Uno U1-PD3-B, and today we’re going to be taking a look at the newly released Modello Uno U1S-PD6. This new release isn’t so far off from the rest of their Modello Uno range, so if you want further feedback on this line of watches from them, I suggest you read our previous review as well.

The new release we have here today is actually a limited edition, with two separate references, each of them capped at 300 pieces each. The one we’ve had on hand with us is the blue variant, with the full reference number being U1S-PD6-RB, and the black one which we have not handled being reference U1S-PD6-B. Unimatic keeps a very strict utilitarian design philosophy throughout their entire dive range, which to be honest does not really fluctuate that much in appearance when comparing different models side by side. You’ll get different dial layouts and functions, but If you want a stylistic change from them, you’ll need to side step over to one of their field inspired watches like the Modello Due UC2 Classic.

Tastefull Adjustments

Unimatic Modello Uno U1S-PD6 Wrist Shot

There is one thing I’ll point out straight away, the watch is utilizing a Swiss Sellita SW200-1, so as much as we’d all drool over an in-house Italian movement, or maybe even just an in-house Swiss movement, that’s unfortunately not the case here. Mind you, this is still a fantastic movement, and it suits the character and functionality of this robust diver.

Modello Uno U1S-PD6 Dial

This watch has a kind of austere brutalist, or I guess you can say, industrial design language to it. It’s unashamedly a beefy diver, with a very solid blocky case, but it’s the sharp angles around the bezel, side of the case, and the crown guards, that really ties the whole package together, and sets it apart from your generic microbrand dive watch.

Modello Uno U1S-PD6 Royal Blue

The crystal is slightly elevated from the flat bezel, which gives it a sort of port-hole type of look, it’s very sporty and tool like in appearance. The Reflex blue on both the bezel and dial is very rich, almost like a cross between a royal and navy blue, and the fact that they’re both matt in sheen really draws out the deep color without any reflections to distort it. The bezel is actually made out of ceramic, which is quite nice, and it’s also lume activated with Super-LumiNova BG W9 markers. The hour and minute hands are sword shaped and white, making them extremely legible against the deep blue. Same goes for the round and rectangular plot markers, which are simply painted on and lume enabled with Super-LumiNova. The seconds hand is sporting a really neat reverse lollypop shape that I can’t recall ever really seeing before on a diver. Luckily the seconds hand is very long, to avoid any confusion on its direction due to the reverse appearance.

Modello Uno U1S-PD6 Bracelet

As you’d expect on a watch like this, it’s not going to be the thinnest thing available. It comes in at a 13.2mm thickness excluding the elevated crystal, which really isn’t too bad considering its 41mm case size. While it’s slightly oversized on my 6.5 inch wrist, it would do wonders on a 7 inch, or larger, wrist size.

Final Thoughts

Modello Uno U1S-PD6 Engraved Caseback

This is a serious dive watch with a 600 meter water resistance rating. It’s not going to fit like a classic field watch, and it certainly won’t be as comfortable to daily wear as something geared towards every-day tasks. If you’re a dive watch enthusiast, and you like usable functional tool watches, perhaps with some reserved Italian flare, this could be a great watch for you.

Filed Under: Featured, Sports, Watch Reviews Tagged With: Automatic Watches, Dive Watches

About Matthew Catellier

Matthew Catellier has been a professional watch journalist for over a decade. He is the founder of The Watch Review Blog and actively contributes to Forbes and other online publications. Matt is an expert on mechanical watches, and is widely considered a specialist in vintage and modern Rolex. Follow him on Instagram @watchreviewblog.

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