# Toledano & Chan B/1 Skeleton Review by A.I. WatchMetrics

## Watch Summary
The Toledano & Chan B/1 Skeleton is a sophisticated formal skeleton dress watch characterized by its minimalist yet intricately hand-guilloch�d nickel silver chapter ring and bridges, Grade 5 titanium case with openworked accents, and balanced open dial layout featuring dead-beat small seconds, powered by the in-house manual-wind Caliber TC01 with a 72-hour power reserve and 4Hz beat rate, targeting discerning collectors who prioritize independent watchmaking artistry and subtle haute horology flair over everyday tool functionality.

## Overall Watch Rating: 6.7/10.0

**Dials & Design Metric (9.7/10.0)** - The exquisite hand-guilloch� skeleton dial and harmonious proportions evoke the intricate artistry of A. Lange & S�hne Vanguards, far exceeding mid-tier expectations.
**Material Metric (9.5/10.0)** - Grade 5 titanium construction with double-domed AR sapphire and flawless finishing rivals haute horology cases like those from F.P. Journe, offering exceptional lightness and durability.
**Movement Metric (9.3/10.0)** - Caliber TC01 delivers elite hand-finishing, 72-hour reserve, and reliable 4Hz performance, on par with independent movements from Laurent Ferrier or early Moser.
**Rarity Metric (8.9/10.0)** - Limited to 99 pieces with premium pricing and collector demand, it matches the scarcity of Tudor Black Bay limited editions or Omega Speedmaster LEs.
**Versatility Metric (7.2/10.0)** - Elegant for formal and evening wear with collector appeal, it outperforms pure dress watches like Nomos but trails true all-rounders like the Grand Seiko SBGH.
**Brand Metric (7.0/10.0)** - Emerging French independent with high craftsmanship and low production scores comparably to Ming or Czapek in the high-premium tier.
**History & Innovation Metric (6.5/10.0)** - Fresh 2023 debut brings novel skeleton aesthetics to microbrands but trails heritage icons like Patek Philippe in historical impact.
**Functions Metric (2.0/10.0)** - Limited to hours, minutes, and small seconds, it lags behind average automatics like the Seiko 5 or Tissot PRX that include dates.
**Complications Metric (0.5/10.0)** - Pure time-only configuration offers no added features, well below peers like Oris divers with chronographs.

## Total Performance Score (TPS): 4.0
## TPS Interpretation: Fair Value: Exceptional finishing and rarity outperform expectations for the price, but basic functions and no complications result in middling overall value.

## WM Collector Grade: D
## Performance Insights: Shines in dials/design, materials, movement, and rarity with elite scores above 9.0, but weak functions and complications drag it down; solid for niche collectors despite pricing above the $18,000 implied value benchmark.

## Watch Data
[Picture URL] - https://toledanoandchan.com/cdn/shop/files/B1Skeleton_White_1.jpg?v=1691043355; [backPicture] - https://toledanoandchan.com/cdn/shop/files/B1Skeleton_White_4.jpg?v=1691043355; [lumePicture] - -; [Nickname] - B/1 Skeleton; [Brand] - Toledano & Chan; [Model] - B/1 Skeleton; [Country] - France; [Product Link] - https://toledanoandchan.com/products/b-1-skeleton-white; [reviewLink] - -; [Movement Type] - Manual Wind; [Movement Name] - Caliber TC01; [# MSRP] - 25500; [# Secondary] - 26000; [# Production] - 99; [watchDescription] - Hand-skeletonized formal watch with Grade 5 titanium case, guilloch� nickel silver elements, and in-house manual wind movement.; [caseWidth] - 39; [lugToLugLength] - 47; [thickness] - 10.55; [lug] - 20; [waterResist] - 50; [powerReserve] - 72; [beatFrequency] - 28800; [lume] - None; [jewels] - 23; [caseMaterial] - Grade 5 Titanium; [watchGlass] - Sapphire double-domed w/ AR; [Bezel] - Fixed titanium; [caseback] - Sapphire display; [Crown] - Screw-down titanium; [Strap] - Louisiana alligator; [Shape] - Round; [Dial] - Skeleton guilloch� nickel silver; [caseShape] - Round; [Seconds] - 1; [Date] - 0; [Calendar] - 0; [Chiming] - 0; [Chronograph] - 0; [Compass] - 0; [dateCompilation] - 0; [DigitalDisplay] - 0; [Dress] - 1; [Field] - 0; [GMT] - 0; [Mechanical Alarm] - 0; [Moonphase] - 0; [Tourbillon] - 0; [worldTimer] - 0; [powerReserveIndicator] - 0; [Diver] - 0; [Pilot] - 0; [racing] - 0; [Skeleton] - 1; [Vintage] - 0; [StyleFormal] - 1; [StyleCasual] - 0; [StyleSports] - 0; [StyleTravel] - 0; [StyleAdventure] - 0; [StyleCollector] - 1; [StyleTool] - 0; [StyleStatement] - 1; [StyleVintage] - 0; [StyleSmart] - 0; [StyleCustom] - 1; [TPS_new] - 4.0; [TPSgrade] - D; [TPSimpliedPrice] - 18000;

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