# Helson Shark Diver 38 Brass Review by A.I. WatchMetrics

## Watch Summary
The Helson Shark Diver 38 Brass is a vintage-inspired dive watch with a distinctive brushed brass case that patinas beautifully over time, offering 300m water resistance and a compact 38mm profile ideal for enthusiasts seeking a unique, wearable tool watch for diving or daily adventure, powered by the smooth Miyota 9015 automatic movement with 42 hours of power reserve.

## Overall Watch Rating: 6.7/10.0

**Dials & Design Metric (9.0/10.0)** - The black dial with applied luminous indices, syringe hands, and excellent legibility benchmarks against premium Seiko Prospex divers.
**Versatility Metric (8.8/10.0)** - At 38mm, it transitions effortlessly from underwater exploits to casual office wear, much like a Tudor's smaller Black Bay models.
**Material Metric (8.8/10.0)** - Brass case with ceramic bezel and double-domed AR-coated sapphire crystal delivers premium tactility comparable to bronze editions from brands like Tudor.
**Cohesiveness Metric (8.5/10.0)** - The model's strong diver DNA aligns perfectly with Helson's tool-watch ethos, creating a unified presence in their catalog.
**Movement Metric (8.1/10.0)** - Miyota 9015 provides reliable 4Hz beat, hacking seconds, and solid accuracy on par with workhorse ETA clones in mid-tier watches.
**Brand Metric (6.2/10.0)** - Helson earns solid marks as a microbrand craftsman but trails established names like Oris in global recognition.
**Rarity Metric (5.0/10.0)** - Limited to 200 pieces at this price, it offers moderate exclusivity similar to other small-run microbrand divers.
**Functions Metric (4.5/10.0)** - Basic time and date suffice for a diver but fall short of multifunction pieces like GMT explorers.
**Complications Metric (4.0/10.0)** - The simple date window at 3 o'clock provides practical utility akin to entry-level automatics from Citizen.
**History & Innovation Metric (3.8/10.0)** - Lacking deep heritage or groundbreaking tech, it sits below vintage-revival icons from Omega.

## Total Performance Score (TPS): 4.0

## WM Collector Grade: C

## Performance Insights: Outstanding dials, materials, and versatility shine for a microbrand diver, offset by modest history and functions, delivering fair value well under its $1,250 implied price.

## TPS Interpretation: Fair Value: The watch punches above its weight in design and build quality relative to its modest price, ideal for discerning collectors on a budget.

## Watch Data
[Picture URL] - https://helsonwatch.com/cdn/shop/files/SD38B_1_1200x.jpg; [backPicture] - https://helsonwatch.com/cdn/shop/files/SD38B_back_1200x.jpg; [lumePicture] - https://helsonwatch.com/cdn/shop/files/SD38B_lume_1200x.jpg; [Nickname] - Brass Shark; [Brand] - Helson; [Model] - Shark Diver 38 Brass; [Country] - USA; [Product Link] - https://helsonwatch.com/products/shark-diver-38-brass-edition; [reviewLink] - https://www.ablogtowatch.com/helson-shark-diver-38mm-watch/; [Movement Type] - automatic; [Movement Name] - Miyota 9015; [# Secondary] - 200; [watchDescription] - Limited edition brass dive watch with vintage styling, modern movement, and 300m WR; [caseWidth] - 38; [lugToLugLength] - 45.5; [thickness] - 11.5; [lug] - 20; [waterResist] - 300; [powerReserve] - 42; [beatFrequency] - 28800; [lume] - Super-LumiNova C3; [jewels] - 24; [caseMaterial] - brass; [watchGlass] - sapphire double domed AR; [Bezel] - unidirectional ceramic; [caseback] - solid screw-down signed; [Crown] - screw-down; [Strap] - FKM rubber; [Shape] - round; [Dial] - black; [Seconds] - yes; [Date] - yes; [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] - yes; [StyleFormal] - no; [StyleCasual] - yes; [StyleSports] - yes; [StyleTravel] - no; [StyleAdventure] - yes; [StyleCollector] - yes; [StyleTool] - yes; [StyleStatement] - yes; [StyleVintage] - yes; [StyleSmart] - no; [StyleCustom] - no; [TPS_new] - 4.0; [TPSgrade] - C; [TPSimpliedPrice] - 1250;

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