# Frederique Constant Slimline Perpetual Calendar Manufacture Review by A.I. WatchMetrics

## Watch Summary
The Frederique Constant Slimline Perpetual Calendar Manufacture is a refined dress complication watch blending classic elegance with advanced functionality, featuring an in-house automatic FC-775 movement that powers a full perpetual calendar (day, date, month, leap year) and poetic moonphase display on a guilloch� silver-opaline dial, ideal for sophisticated collectors who value haute horology details at entry-luxury pricing; its slim 12.6mm stainless steel case keeps it wearable and versatile for formal settings, backed by a 38-hour power reserve.

## Overall Watch Rating: 8.1/10.0

**Complications Metric (9.5/10.0)** - The in-house perpetual calendar with moonphase rivals the complexity of $20,000+ Patek Philippe entry models but at a fraction of the cost.
**Movement Metric (9.5/10.0)** - The FC-775 automatic calibre impresses with solid finishing, reliability, and in-house innovation comparable to mid-tier ETA upgrades in higher-end brands.
**Material Metric (9.5/10.0)** - Premium stainless steel construction paired with AR-coated sapphire delivers top-tier durability and clarity akin to Oris or Tudor divers.
**Dials & Design Metric (9.0/10.0)** - The balanced guilloch� dial, blued hands, and subtle subdial layout evoke timeless elegance similar to vintage Omega Constellations.
**History & Innovation Metric (7.4/10.0)** - Frederique Constant's 35-year legacy of accessible in-house movements shines, though it lacks the iconic cultural impact of Rolex or Omega.
**Rarity Metric (7.3/10.0)** - At $9,000 MSRP with unlimited production, it offers exclusivity through value rather than scarcity like limited-edition Grand Seikos.
**Brand Metric (6.8/10.0)** - Frederique Constant provides high-premium Swiss quality with manufacture credibility, on par with Sinn or Christopher Ward enthusiasts' favorites.
**Versatility Metric (7.0/10.0)** - Suited for formal and collector occasions with its slim profile, but 30m WR limits sports use compared to more robust Tudors.
**Functions Metric (7.3/10.0)** - Comprehensive timekeeping plus perpetual calendar and moonphase exceeds median Seiko 5 capabilities without unnecessary extras.

## Total Performance Score (TPS): 9.8
## TPS Interpretation: Exceptional Value: The watch vastly overdelivers on complications and movement quality relative to its price, akin to entry-level luxury punching into high-end territory.

## WM Collector Grade: A+
## Performance Insights: Exceptional movement, complications, and materials drive superior value, performing like a $18,500 timepiece while strong design adds collector appeal at a bargain.

## Watch Data
[Picture URL] - https://www.frederiqueconstant.com/dw/image/v2/BHXG_PRD/on/demandware.static/-/Sites-frederiqueconstant-master-catalog/default/dw8d8b8f0e/FC-775BA4S6_1_1200x.jpg; [backPicture] - https://www.frederiqueconstant.com/dw/image/v2/BHXG_PRD/on/demandware.static/-/Sites-frederiqueconstant-master-catalog/default/dw5f5e5d2a/FC-775BA4S6_2_1200x.jpg; [lumePicture] - N/A; [Nickname] - Slimline Perpetual; [Brand] - Frederique Constant; [Model] - Slimline Perpetual Calendar Manufacture; [Country] - Switzerland; [Product Link] - https://www.frederiqueconstant.com/us_en/watches/slimline-perpetual-calendar-manufacture-fc-775ba4s6.html; [reviewLink] - N/A; [Movement Type] - Automatic; [Movement Name] - FC-775; [# MSRP] - 8950; [# Secondary] - 7000; [# Production] - Unlimited; [watchDescription] - Elegant 40mm stainless steel perpetual calendar with moonphase and in-house automatic movement; [caseWidth] - 40; [lugToLugLength] - 48; [thickness] - 12.6; [lug] - 20; [waterResist] - 30; [powerReserve] - 38; [beatFrequency] - 28800; [lume] - 1; [jewels] - 34; [caseMaterial] - Stainless Steel; [watchGlass] - Sapphire anti-reflective; [Bezel] - Fixed; [caseback] - Sapphire display; [Crown] - Push-pull; [Strap] - Alligator leather; [Shape] - Round; [Dial] - Silver opaline guilloche; [caseShape] - Round; [Seconds] - 1; [Date] - 1; [Calendar] - 1; [Chiming] - 0; [Chronograph] - 0; [Compass] - 0; [dateCompilation] - 1; [DigitalDisplay] - 0; [Dress] - 1; [Field] - 0; [GMT] - 0; [Mechanical Alarm] - 0; [Moonphase] - 1; [Tourbillon] - 0; [worldTimer] - 0; [powerReserveIndicator] - 0; [Diver] - 0; [Pilot] - 0; [racing] - 0; [Skeleton] - 0; [Vintage] - 0; [StyleFormal] - 1; [StyleCasual] - 1; [StyleSports] - 0; [StyleTravel] - 0; [StyleAdventure] - 0; [StyleCollector] - 1; [StyleTool] - 0; [StyleStatement] - 1; [StyleVintage] - 0; [StyleSmart] - 0; [StyleCustom] - 0; [TPS_new] - 9.8; [TPSgrade] - A+; [TPSimpliedPrice] - 18500;

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