# Sinn 717 Review by A.I. WatchMetrics

## Watch Summary
The Sinn 717 is a precise German pilot tool watch blending classic Flieger aesthetics with modern innovations like TEGIMENT hardening and Ar-Dehumidifying technology in a 41mm stainless steel case powered by the reliable Sellita SW300-1 automatic movement offering a 42-hour power reserve, ideal for discerning collectors who prioritize legibility, durability, and technical performance in everyday adventures.

## Overall Watch Rating: 7.3/10.0

**History & Innovation Metric (9.0/10.0)** - Sinn's decades of pilot heritage combined with proprietary technologies like TEGIMENT and Ar-Dehumidifying place it among innovative tool watch leaders like IWC or Breitling.
**Material Metric (9.3/10.0)** - Exceptional TEGIMENT-hardened stainless steel, double-domed sapphire with dual AR coating, and sapphire caseback deliver top-tier durability comparable to hardened cases in Omega or Panerai divers.
**Dials & Design Metric (8.7/10.0)** - The clean grey dial with sword hands, bold indices, and railway minute track offers outstanding legibility and balanced proportions akin to benchmark pilots like the Zenith Pilot.
**Versatility Metric (8.0/10.0)** - Suitable for office, travel, and light field use as a robust all-rounder, matching the flexibility of Hamilton Khaki Aviation models but with superior tech.
**Brand Metric (7.3/10.0)** - Sinn holds strong high-premium status for German precision engineering, on par with Christopher Ward or Zodiac in enthusiast tool watch circles.
**Movement Metric (7.5/10.0)** - The Sellita SW300-1 provides reliable in-house specs with anti-magnetic properties and solid accuracy, performing like upgraded ETA 2892s in mid-tier luxury watches.
**Functions Metric (6.0/10.0)** - Core timekeeping with date and excellent legibility suits pilot duties well, but lacks advanced utility found in GMTs like the Tudor Black Bay.
**Rarity Metric (5.8/10.0)** - Standard unlimited production at its price point aligns with accessible tool watches like Oris Divers, without limited-edition exclusivity.
**Complications Metric (4.0/10.0)** - Simple date window is functional but basic compared to chronographs in peers like the Longines Spirit Zulu Time.

## Total Performance Score (TPS): 4.1
## TPS Interpretation: Fair Value: The watch delivers premium materials and innovation but underwhelms in functions and complications for its price, offering competent tool watch performance.
## WM Collector Grade: C
## Performance Insights: Shines in materials, history, and design for tool watch fans, with solid versatility, but basic movement functions and complications temper value against an implied fair price of around $1,800.

## Watch Data
[Picture URL] - https://www.sinn.de/wp-content/uploads/2023/08/717-1.jpg; [backPicture] - https://www.sinn.de/wp-content/uploads/2023/08/717-back.jpg; [lumePicture] - https://www.sinn.de/wp-content/uploads/2023/08/717-lume.jpg; [Nickname] - 717 Pilot; [Brand] - Sinn; [Model] - 717; [Country] - Germany; [Product Link] - https://www.sinn.de/en/watches/717/; [reviewLink] - ; [Movement Type] - Automatic; [Movement Name] - Sellita SW300-1; [# MSRP] - 3150; [# Secondary] - 2500; [# Production] - Unlimited; [watchDescription] - Pilot tool watch with TEGIMENT case, Ar-Dehumidifying tech, grey dial; [caseWidth] - 41.0; [lugToLugLength] - 49.8; [thickness] - 12.8; [lug] - 22.0; [waterResist] - 200; [powerReserve] - 42; [beatFrequency] - 28800; [lume] - Super-LumiNova; [jewels] - 25; [caseMaterial] - Stainless Steel TEGIMENT; [watchGlass] - Sapphire AR both sides; [Bezel] - Fixed; [caseback] - Sapphire; [Crown] - Screwable; [Strap] - Leather; [Shape] - Round; [Dial] - Grey; [caseShape] - Round; [Seconds] - 1; [Date] - 1; [Calendar] - 0; [Chiming] - 0; [Chronograph] - 0; [Compass] - 0; [dateCompilation] - 0; [DigitalDisplay] - 0; [Dress] - 0; [Field] - 0; [GMT] - 0; [Mechanical Alarm] - 0; [Moonphase] - 0; [Tourbillon] - 0; [worldTimer] - 0; [powerReserveIndicator] - 0; [Diver] - 0; [Pilot] - 1; [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] - 4.1; [TPSgrade] - C; [TPSimpliedPrice] - 1800;

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