# Unimatic Modello Quattro U4S-8 Review by A.I. WatchMetrics

## Watch Summary
The Unimatic Modello Quattro U4S-8 is a minimalist professional diver blending Italian design flair with tool watch utility, featuring a distinctive cream sandwich dial, bold Super-LumiNova-filled indices and hands for superior low-light readability, and robust 300m water resistance, ideal for adventure-seeking enthusiasts who value high-spec construction without luxury pricing, powered by the Sellita SW200-1 automatic movement with 38 hours of power reserve.

## Overall Watch Rating: 5.7/10.0

**Brand Metric (6.5/10.0)** - Unimatic holds strong high-premium microbrand status with enthusiast acclaim and boutique ethos, comparable to Sinn's tool watch precision.

**History & Innovation Metric (4.5/10.0)** - Recent entrant with clever sandwich dial innovation offers niche appeal but trails veterans like Blancpain in heritage depth.

**Rarity Metric (4.6/10.0)** - Modest rarity at $1,300 aligns with production divers like the Oris Aquis, neither ubiquitous nor exclusive.

**Material Metric (9.4/10.0)** - Top-tier 316L steel case, AR-coated sapphire crystal, and ceramic bezel deliver near-luxury durability akin to Omega divers.

**Movement Metric (4.8/10.0)** - Reliable Sellita SW200-1 automatic provides solid mid-tier performance, matching Hamilton Khaki Field standards.

**Complications Metric (0.2/10.0)** - Time-only purity skips extras, falling short of multifunction benchmarks like chronographs.

**Functions Metric (5.2/10.0)** - Clean hours, minutes, and seconds with hacking deliver dependable basics expected in a modern tool watch.

**Dials & Design Metric (8.7/10.0)** - Cream sandwich dial, precise indices, and minimalist aesthetics shine with military-inspired excellence like the Dirty Dozen.

**Versatility Metric (8.2/10.0)** - 40mm slim diver excels across casual, sports, and adventure scenarios, more wearable than chunkier 44mm competitors.

## Total Performance Score (TPS): 9.9
## TPS Interpretation: Excellent Value: The watch overdelivers on premium materials, lume performance, and dive specs relative to its price.

## WM Collector Grade: A+
## Performance Insights: Exceptional materials, design, and versatility outweigh basic movement and functions, punching at a $4,500 implied price far above its $1,300 reality.

## Watch Data
[Picture URL] - https://unimaticwatches.com/cdn/shop/files/U4S-8_1_1024x1024@2x.jpg; [backPicture] - ; [lumePicture] - ; [Nickname] - U4S-8; [Brand] - Unimatic; [Model] - Modello Quattro U4S-8; [Country] - Italy; [Product Link] - https://unimaticwatches.com/products/u4s-8; [reviewLink] - ; [Movement Type] - Automatic; [Movement Name] - Sellita SW200-1; [# MSRP] - 1190; [# Secondary] - 1050; [# Production] - Unlimited; [watchDescription] - 40mm minimalist ISO-certified diver with cream sandwich dial, ceramic bezel, and Sellita automatic.; [caseWidth] - 40; [lugToLugLength] - 47; [thickness] - 11.8; [lug] - 20; [waterResist] - 300; [powerReserve] - 38; [beatFrequency] - 28800; [lume] - Super-LumiNova; [jewels] - 26; [caseMaterial] - 316L Stainless Steel; [watchGlass] - Sapphire AR; [Bezel] - Unidirectional Ceramic; [caseback] - Solid Screw-Down; [Crown] - Screw-Down; [Strap] - FKM Rubber; [Shape] - Round; [Dial] - Cream Sandwich; [caseShape] - Round; [Seconds] - 1; [Date] - 0; [Calendar] - 0; [Chiming] - 0; [Chronograph] - 0; [Compass] - 0; [dateCompilation] - 0; [DigitalDisplay] - 0; [Dress] - 0; [Field] - 0; [GMT] - 0; [Mechanical Alarm] - 0; [Moonphase] - 0; [Tourbillon] - 0; [worldTimer] - 0; [powerReserveIndicator] - 0; [Diver] - 1; [Pilot] - 0; [racing] - 0; [Skeleton] - 0; [Vintage] - 0; [StyleFormal] - 0; [StyleCasual] - 1; [StyleSports] - 1; [StyleTravel] - 0; [StyleAdventure] - 1; [StyleCollector] - 1; [StyleTool] - 1; [StyleStatement] - 0; [StyleVintage] - 0; [StyleSmart] - 0; [StyleCustom] - 0; [TPS_new] - 9.9; [TPSgrade] - A+; [TPSimpliedPrice] - 4500;

**A.I. WatchMetrics Review v37.10 Grok 4 Fast. December 21, 2025.**