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Brandunimatic

Brand

Case Size▸

36mm and under

37–38mm

39–40mm

41–44mm

Movement▸

Other Automatic

Other Quartz

Seiko

Price Tier▸

Budget ($0–$249)

Budget–Mid ($250–$499)

Mid-Range ($500–$999)

Mid–Premium ($1,000–$1,499)

Premium ($1,500+)

Water Resistance▸

300M+

Brands/Unimatic/Modello Tre U3S-T-AA Collab – Chronograph

Modello Tre U3S-T-AA Collab – Chronograph selected view

Unimatic

🇮🇹 Milan, Italy

Modello Tre U3S-T-AA Collab – Chronograph

Price Tier N/A

COLLAB UNIMATIC x Automobili Amos x Sease 41.5mm case diameter with the bezel AUTOMATIC Sellita SW510 BH b movement 300m water resistant typical 62h power reserve 24 MONTHS worldwide warranty

Metropolis Verdict

Who this watch is really for

developing data

Best for

Collectors comparing independent dive or sport watches with about 300m of water resistance.

Collectors who want a chronograph from an independent brand rather than the usual big-brand shortlist.

Buyers who care about Swiss-style movement credibility and long-term service familiarity.

Skip if

You want quartz convenience with minimal setting, winding, or service concerns.

Value note: The value case is helped by a familiar Swiss-style movement platform. The rest comes down to finishing, fit, and whether the design feels distinct enough.

Comparable watches

Modello Tre U3S-M Collab – ChronographA comparable same-brand dive/sport option from Unimatic.

Modello Tre UC3 Classic – ChronographA comparable same-brand dive/sport option from Unimatic.

Modello Uno UT1-BSTN Collab – DiverA comparable same-brand dive/sport option from Unimatic.

Data status: Indexable catalog page with images, description, and core specs. Image count: 4. Populated spec fields: 5.

Brand Location🇮🇹 Milan, Italy

MovementSW510 automatic movement

Case Size41.5mm

Water Resistance300m

Visit Brand Site

Technical Data Matrix

MovementSW510 automatic movement

CaliberSW510

Diameter41.5mm

Case Size41.5mm

Resistance300m

Unimatic

Independent microbrand based in 🇮🇹 Milan, Italy. Known for styles. Visit the official store for the full collection.

Visit Unimatic Official Store →

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