# Oris Big Crown ProPilot Big Date Review by A.I. WatchMetrics

## Watch Summary
The Oris Big Crown ProPilot Big Date is a robust pilot-style sports watch featuring a clean 41mm stainless steel case, iconic oversized knurled crown, and a striking oversized double-digit date window at 12 o'clock, powered by the automatic Oris Calibre 798 movement with a 38-hour power reserve, appealing to aviation enthusiasts and professionals seeking legible, versatile daily wear with 100m water resistance.

## Overall Watch Rating: 8.0/10.0

**Brand Metric (8.5/10.0)** - Oris stands as a solid luxury contender with independent Swiss heritage and consistent quality, comparable to entry-level Omega models.
**History & Innovation Metric (8.8/10.0)** - Oris's century-old aviation legacy, including the original Big Crown from 1938, shines through this modern big date evolution, outpacing most mid-tier brands in cultural significance.
**Dials & Design Metric (9.0/10.0)** - The minimalist pilot dial with bold applied indices, Super-LumiNova, and oversized date delivers exceptional legibility and presence, rivaling top Grand Seiko designs.
**Material Metric (9.4/10.0)** - Premium stainless steel construction paired with domed sapphire crystal and meticulous brushing rivals higher-end Rolex finishing at this price.
**Versatility Metric (8.5/10.0)** - This ProPilot transitions seamlessly from office casual to weekend adventures with its sporty yet refined profile, similar to a Tudor Black Bay.
**Complications Metric (8.7/10.0)** - The instant-change big date complication adds practical sophistication beyond standard date windows found on most IWC pilots.
**Movement Metric (7.8/10.0)** - The reliable Oris 798 automatic (Sellita-based with big date module) offers solid in-house tweaking and decoration, on par with well-modified ETA movements in Nomos.
**Rarity Metric (6.1/10.0)** - At around $3,900 retail, it occupies a common production tier for popular Oris models, less exclusive than limited-edition Breitlings.
**Functions Metric (4.7/10.0)** - Basic timekeeping plus big date provides everyday utility but lacks the multifunctionality of GMT or chronograph-equipped competitors like the Omega Aqua Terra.
**Cohesiveness Metric (9.0/10.0)** - The design elements harmonize perfectly around the aviation theme, creating a unified pilot identity stronger than scattered microbrand offerings.

## Total Performance Score (TPS): 9.9

## WM Collector Grade: A+

## Performance Insights: Strong across brand prestige, materials, design, and complications with movement reliability as a highlight, though functions are basic; delivers superior value trading at a premium to its $2,650 implied price.

## TPS Interpretation: Superior Value: The watch vastly overperforms expectations with premium build and heritage at its accessible price point.

## Watch Data
[https://www.oris.ch/media/n1g4zqbh/01-798-7754-4135-07-8-24-05peb-big-crown-propilot-big-date-blue-dial.jpg?mode=crop-up&cropUpGravity=CenterCenter&width=1200&height=1200] - Main picture; [https://www.oris.ch/media/4k3k0v3b/01-798-7754-4135-07-8-24-05peb-big-crown-propilot-big-date-blue-dial-back.jpg] - backPicture; [] - lumePicture; [ProPilot Big Date] - Nickname; [Oris] - Brand; [Big Crown ProPilot Big Date] - Model; [Switzerland] - Country; [https://www.oris.ch/en/watch-collection/big-crown-propilot/big-crown-propilot-big-date/798-7754-4135-07-8-24-05peb] - Product Link; [] - reviewLink; [Automatic] - Movement Type; [Oris Calibre 798] - Movement Name; [0] - # Secondary; [Robust pilot watch with oversized date complication, Super-LumiNova indices and hands for low-light legibility, iconic Big Crown at 3 o'clock] - watchDescription; [41] - caseWidth; [50.3] - lugToLugLength; [12.54] - thickness; [22] - lug; [100] - waterResist; [38] - powerReserve; [28800] - beatFrequency; [Super-LumiNova] - lume; [25] - jewels; [Stainless Steel] - caseMaterial; [Sapphire domed with anti-reflective coating] - watchGlass; [Fixed stainless steel] - Bezel; [Solid stainless steel snap-on] - caseback; [Stainless steel knurled screw-down] - Crown; [Brown leather] - Strap; [Round] - Shape; [Blue with applied indices] - Dial; [Yes] - Seconds; [Yes] - Date; [No] - Calendar; [No] - Chiming; [No] - Chronograph; [No] - Compass; [No] - dateCompilation; [No] - DigitalDisplay; [No] - Dress; [No] - Field; [No] - GMT; [No] - Mechanical Alarm; [No] - Moonphase; [No] - Tourbillon; [No] - worldTimer; [No] - powerReserveIndicator; [No] - Diver; [Yes] - Pilot; [No] - racing; [No] - Skeleton; [No] - Vintage; [No] - StyleFormal; [Yes] - StyleCasual; [Yes] - StyleSports; [Yes] - StyleTravel; [Yes] - StyleAdventure; [Yes] - StyleCollector; [Yes] - StyleTool; [No] - StyleStatement; [No] - StyleVintage; [No] - StyleSmart; [No] - StyleCustom; [9.9] - TPS_new; [A+] - TPSgrade; [2650] - TPSimpliedPrice;

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