# Squale 50 Atmos Ceramic Review by A.I. WatchMetrics

## Watch Summary
The Squale 50 Atmos Ceramic is a professional tool diver watch that masterfully combines vintage-inspired aesthetics from the brand's 1950s Atmos heritage with contemporary full black ceramic construction for exceptional scratch resistance and a lightweight feel. Its monochromatic black theme shines through the sunburst dial, bold sword hands and indices treated with C3 Super-LumiNova for superior low-light legibility, a unidirectional rotating ceramic bezel engraved with classic Squale numerals, and a compact 40mm case profile ideal for daily wear. Targeted at discerning dive enthusiasts and collectors who prioritize durability, heritage tool-watch vibes, and modern materials without the maintenance of steel, it's powered by the workhorse Sellita SW200-1 automatic movement offering a 38-hour power reserve and reliable 28,800 vph beat rate.

## Overall Watch Rating: 6.0/10.0

**Material Metric (9.3/10.0)** - The full ceramic case, bezel, and sapphire crystal with AR coating deliver top-tier scratch-proof durability and premium finishing on par with high-end Rado or Richard Mille divers.
**Dials & Design Metric (8.2/10.0)** - Crisp sunburst black dial, vintage sword hands, and legible ceramic bezel markings create a cohesive, highly legible tool-watch aesthetic comparable to the Blancpain Fifty Fathoms.
**Versatility Metric (7.8/10.0)** - As a 40mm 300m diver, it transitions seamlessly from underwater adventures to casual office wear, outperforming chunkier divers like the Rolex Submariner in everyday comfort.
**Brand Metric (6.5/10.0)** - Squale's Swiss heritage in professional dive cases earns high-premium status similar to Sinn or Zodiac, bolstered by its cult following among enthusiasts.
**History & Innovation Metric (6.2/10.0)** - Decades of supplying cases to icons like Blancpain and Tissot provide solid historical cred, though ceramic execution feels evolutionary rather than revolutionary.
**Rarity Metric (6.0/10.0)** - At its price point, the full ceramic build offers moderate exclusivity akin to limited steel divers from Oris or Tudor.
**Movement Metric (5.5/10.0)** - The Sellita SW200-1 provides reliable automatic performance on par with standard ETA 2824 clones in mid-tier Hamilton or Certina watches.
**Functions Metric (4.8/10.0)** - Core timekeeping plus dive bezel delivers essential utility matching basic Seiko Prospex divers.
**Complications Metric (0.0/10.0)** - Lacking date or other extras, it prioritizes purist simplicity below even entry-level chronographs like the Tissot PRX.

## Total Performance Score (TPS): 4.0
## TPS Interpretation: Modest Value: Premium ceramic materials impress, but the absence of complications and basic functions fall short of expectations for the price.
## WM Collector Grade: C
## Performance Insights: Materials and design stand out as exceptional for a tool diver, but standard movement and minimal complications temper value against the implied fair-market price of around $2,200.

## Watch Data
[Picture URL] - https://squale.ch/wp-content/uploads/2023/06/1521-CM-1521-1-scaled.jpg; [backPicture] - https://squale.ch/wp-content/uploads/2023/06/1521-CM-1521-2-scaled.jpg; [lumePicture] - https://squale.ch/wp-content/uploads/2023/06/1521-CM-1521-3-scaled.jpg; [Nickname] - 50 Atmos Ceramic; [Brand] - Squale; [Model] - 50 Atmos Ceramic; [Country] - Switzerland; [Product Link] - https://squale.ch/product/50-atmos-ceramic/; [reviewLink] - N/A; [Movement Type] - Automatic; [Movement Name] - Sellita SW200-1; [# MSRP] - 3400; [# Secondary] - 2600; [# Production] - Unlimited; [watchDescription] - Full black ceramic professional 300m diver with vintage-inspired dial and bezel; [caseWidth] - 40; [lugToLugLength] - 47.5; [thickness] - 13.25; [lug] - 20; [waterResist] - 300; [powerReserve] - 38; [beatFrequency] - 28800; [lume] - Super-LumiNova C3; [jewels] - 26; [caseMaterial] - Ceramic; [watchGlass] - Sapphire AR; [Bezel] - Unidirectional ceramic; [caseback] - Solid screw-down; [Crown] - Screw-down; [Strap] - Rubber; [Shape] - Round; [Dial] - Black sunburst; [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] - 1; [StyleVintage] - 0; [StyleSmart] - 0; [StyleCustom] - 0; [TPS_new] - 4.0; [TPSgrade] - C; [TPSimpliedPrice] - 2200;

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