# IWC Portugieser Automatic IW500107 Review by A.I. WatchMetrics

## Watch Summary
The IWC Portugieser Automatic IW500107 is an elegant dress watch reviving the brand's iconic 1939 design with a 42.3mm stainless steel case, silver-plated dial featuring blued feuille hands, a railway minute track, small seconds subdial at 4 o'clock, and a distinctive 7-day power reserve indicator at 2 o'clock, powered by the in-house automatic Caliber 51011 offering 168 hours of autonomy; it targets sophisticated collectors and professionals seeking refined luxury with mechanical prowess and minimalism.

## Overall Watch Rating: 8.4/10.0

**Dials & Design Metric (9.6/10.0)** - Exemplary proportions and vintage-inspired detailing rival Patek Philippe's Calatrava in timeless sophistication.
**Cohesiveness Metric (9.5/10.0)** - Perfect harmony in layout and finishing evokes a single-minded pursuit of dress-watch purity benchmarked against Vacheron Constantin Patrimony.
**Movement Metric (9.1/10.0)** - The in-house 51011 with Pellaton winding and double-barrel 168-hour reserve outperforms standard luxury automatics like ETA 2824 evolutions.
**Material Metric (9.2/10.0)** - Premium stainless steel with sapphire AR crystal and meticulous brushing/polishing matches Omega's high-end Seamaster builds.
**Brand Metric (8.8/10.0)** - IWC's Schaffhausen legacy of aviation and innovation stands shoulder-to-shoulder with Omega in the luxury pantheon.
**History & Innovation Metric (8.6/10.0)** - Reviving a 1930s oversized classic with groundbreaking 7-day power reserve innovation echoes Rolex's Oyster milestones.
**Rarity Metric (8.5/10.0)** - At its secondary price point, it offers scarcity comparable to limited-run Tudors without the hype premium.
**Functions Metric (8.8/10.0)** - Core timekeeping plus small seconds and power reserve deliver reliability akin to Grand Seiko's everyday masterpieces.
**Versatility Metric (7.8/10.0)** - Excels in formal settings but transitions well to business casual, similar to a Jaeger-LeCoultre Reverso.
**Complications Metric (4.0/10.0)** - Basic power reserve indicator lags behind multi-function peers like Blancpain's Villeret calendar models.

## Total Performance Score (TPS): 9.7

## WM Collector Grade: A+

## Performance Insights: Excels in design, movement, and materials while complications remain basic, delivering superior value far exceeding its $20,200 secondary market price.

## TPS Interpretation: Exceptional Value: The watch vastly overperforms expected benchmarks at its price, akin to finding high-end luxury engineering at mid-tier cost.

## Watch Data
[Picture URL] - https://www.iwc.com/content/dam/iwc-country/us/en/watchfinder/portugieser-automatic-42/iw500107/iwc-portugieser-automatic-42-iw500107-frontview.jpg.asset/1694624318898.jpg; [backPicture] - https://www.chrono24-img.s3-eu-west-1.amazonaws.com/images/uhren/12345678-1.jpg; [lumePicture] - -; [Nickname] - Portugieser Automatic 40th; [Brand] - IWC Schaffhausen; [Model] - Portugieser Automatic IW500107; [Country] - Switzerland; [Product Link] - https://www.iwc.com/us/en/watch-collections/portugieser/portugieser-automatic-42/iw500107.html; [reviewLink] - -; [Movement Type] - Mechanical Automatic; [Movement Name] - Caliber 51011; [# Secondary] - 2; [watchDescription] - Iconic dress watch with 7-day power reserve, silver dial, small seconds, and vintage styling; [caseWidth] - 42.3; [lugToLugLength] - 51; [thickness] - 14.6; [lug] - 22; [waterResist] - 30; [powerReserve] - 168; [beatFrequency] - 21600; [lume] - None; [jewels] - 50; [caseMaterial] - Stainless steel; [watchGlass] - Sapphire AR both sides; [Bezel] - Fixed stainless steel; [caseback] - Solid stainless steel; [Crown] - Stainless steel; [Strap] - Black alligator/calfskin; [Shape] - Round; [Dial] - Silver-plated; [Seconds] - yes; [Date] - no; [Calendar] - no; [Chiming] - no; [Chronograph] - no; [Compass] - no; [dateCompilation] - no; [DigitalDisplay] - no; [Dress] - yes; [Field] - no; [GMT] - no; [Mechanical Alarm] - no; [Moonphase] - no; [Tourbillon] - no; [worldTimer] - no; [powerReserveIndicator] - yes; [Diver] - no; [Pilot] - no; [racing] - no; [Skeleton] - no; [Vintage] - no; [StyleFormal] - yes; [StyleCasual] - yes; [StyleSports] - no; [StyleTravel] - no; [StyleAdventure] - no; [StyleCollector] - yes; [StyleTool] - no; [StyleStatement] - yes; [StyleVintage] - yes; [StyleSmart] - no; [StyleCustom] - no; [TPS_new] - 9.7; [TPSgrade] - A+; [TPSimpliedPrice] - 52000;

**A.I. WatchMetrics Review v37.4 Grok 4 Fast. December 19, 2025.**