# Ball Engineer III Endurance 1917 GMT Review by A.I. WatchMetrics


## Watch Summary
The Ball Engineer III Endurance 1917 GMT is a rugged tool watch suited for adventure and travel styles, characterized by its robust 42mm stainless steel case, bidirectional ceramic GMT bezel, and signature tritium gas tubes providing 24-hour illumination across the dial, hands, and bezel markers, powered by a COSC-certified automatic movement offering hours, minutes, seconds, date, and independent GMT hand with a 38-hour power reserve, appealing to active collectors who prioritize legibility, durability, and independent Swiss craftsmanship in a limited edition homage to the brand's heritage.

## Overall Watch Rating: 7.7/10.0

**Material Metric (8.8/10.0)** - The 316L stainless steel case paired with anti-reflective sapphire crystal and ceramic bezel delivers exceptional durability and premium feel comparable to Omega Seamaster tool watches.
**Versatility Metric (8.5/10.0)** - Excellent crossover from office casual to outdoor adventures thanks to the legible GMT layout and comfortable 42mm proportions, outperforming typical single-purpose divers.
**Movement Metric (8.3/10.0)** - COSC-certified BALL RR1103-C automatic with reliable GMT module and shock resistance benchmarks against certified ETA-based movements in mid-tier luxury like Tudor.
**Dials & Design Metric (8.2/10.0)** - Bold black dial with 37 tritium tubes and applied indices offers superior legibility and unique glow, elevating it above standard Seiko tool aesthetics.
**Functions Metric (7.8/10.0)** - Solid core of hours, minutes, sweeping seconds, date, and true GMT provides practical utility matching Hamilton Khaki Aviation converters.
**Complications Metric (7.5/10.0)** - Independent GMT hand with date window adds meaningful travel utility akin to entry-level Rolex GMT-Master alternatives.
**History & Innovation Metric (7.2/10.0)** - Ball's railroad heritage and pioneering tritium illumination contribute established innovation on par with Sinn's tool watch advancements.
**Rarity Metric (6.8/10.0)** - Limited to 1,917 pieces at around $4,000 positions it as moderately exclusive, similar to many Oris limited divers.
**Brand Metric (6.5/10.0)** - Ball's high-premium status with enthusiast tritium focus aligns with Sinn or Christopher Ward reliability.

## Total Performance Score (TPS): 7.4
## TPS Interpretation: Strong Value: The watch exceeds price-expected performance through innovative tritium lume and COSC movement quality.
## WM Collector Grade: B+
## Performance Insights: Material and versatility lead the strengths, delivering robust tool-watch value well above implied pricing for a limited GMT.

## Watch Data
[Picture URL] - https://www.ballwatch.ch/wp-content/uploads/2024/01/NM3082C-S2J-BK_1.jpg; [backPicture] - https://www.ballwatch.ch/wp-content/uploads/2024/01/NM3082C-S2J-BK_2.jpg; [lumePicture] - https://www.ballwatch.ch/wp-content/uploads/2024/01/NM3082C-S2J-BK_lume.jpg; [Nickname] - Endurance GMT 1917; [Brand] - Ball; [Model] - Engineer III Endurance 1917 GMT; [Country] - Switzerland; [Product Link] - https://www.ballwatch.ch/engineer-iii-endurance-gmt-1917-nm3082c-s2j-bk/; [reviewLink] - ; [Movement Type] - Automatic; [Movement Name] - BALL RR1103-C; [# MSRP] - 3999; [# Secondary] - 3200; [# Production] - 1917; [watchDescription] - Limited edition robust GMT tool watch with tritium illumination, COSC-certified automatic movement, ceramic bezel, and 100m water resistance; [caseWidth] - 42; [lugToLugLength] - 49.8; [thickness] - 14.05; [lug] - 22; [waterResist] - 100; [powerReserve] - 38; [beatFrequency] - 28800; [lume] - 37 Tritium tubes + Super-LumiNova; [jewels] - 28; [caseMaterial] - 316L Stainless Steel; [watchGlass] - Sapphire (anti-reflective); [Bezel] - Ceramic bidirectional GMT; [caseback] - Sapphire display; [Crown] - Screw-down; [Strap] - Stainless steel bracelet; [Shape] - Round; [Dial] - Black sunray; [caseShape] - Round; [Seconds] - 1; [Date] - 1; [Calendar] - 0; [Chiming] - 0; [Chronograph] - 0; [Compass] - 0; [dateCompilation] - 0; [DigitalDisplay] - 0; [Dress] - 0; [Field] - 0; [GMT] - 1; [Mechanical Alarm] - 0; [Moonphase] - 0; [Tourbillon] - 0; [worldTimer] - 0; [powerReserveIndicator] - 0; [Diver] - 0; [Pilot] - 0; [racing] - 0; [Skeleton] - 0; [Vintage] - 0; [StyleFormal] - 0; [StyleCasual] - 1; [StyleSports] - 1; [StyleTravel] - 1; [StyleAdventure] - 1; [StyleCollector] - 1; [StyleTool] - 1; [StyleStatement] - 0; [StyleVintage] - 0; [StyleSmart] - 0; [StyleCustom] - 0; [TPS_new] - 7.4; [TPSgrade] - B+; [TPSimpliedPrice] - 5200;

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