# The Loresum True Moonphase Aventurine Model LS04 Review by A.I. WatchMetrics

## Watch Summary

The Loresum True Moonphase Aventurine Model LS04 is a boutique microbrand dress watch featuring a genuine astronomical moonphase complication with a sparkling aventurine dial in a 39mm stainless steel case. This elegant timepiece targets enthusiasts seeking accessible haute horlogerie aesthetics with a romantic celestial display — powered by a modified automatic movement offering date, moonphase, and 42-hour power reserve in a slim profile with exhibition caseback.

## Overall Watch Rating: 7.2/10.0

- **Dials & Design Metric (8.8/10.0)** - The aventurine starry sky dial with accurate moonphase window delivers captivating romantic aesthetics comparable to higher-end dress moonphases.
- **Complications Metric (8.5/10.0)** - True astronomical moonphase (accurate for 122 years) provides meaningful celestial functionality rare at this price.
- **Versatility Metric (7.8/10.0)** - Slim profile and elegant styling suit formal and smart-casual wear well.
- **Movement Metric (7.2/10.0)** - Modified automatic with decent finishing offers reliable performance for the tier.
- **Material Metric (7.0/10.0)** - Stainless steel case with sapphire crystal and aventurine dial provides good quality.
- **Functions Metric (7.0/10.0)** - Date and moonphase with good legibility serve dress-watch needs.
- **History & Innovation Metric (6.5/10.0)** - Microbrand revival of classic moonphase adds niche appeal but limited heritage.
- **Brand Metric (6.0/10.0)** - Emerging microbrand with growing enthusiast recognition.
- **Rarity Metric (7.5/10.0)** - Limited production and aventurine dial create moderate exclusivity.

## Total Performance Score (TPS): 7.0

## WM Collector Grade: B

## Performance Insights: The watch excels in dial artistry and moonphase complication with strong dress-watch appeal. Brand prestige and history are modest as an emerging microbrand, representing good value for accessible celestial elegance.

## TPS Interpretation: Good Value: The watch provides rare astronomical moonphase and aventurine beauty at its price.

## Watch Data
[Picture URL] - https://loresum.com/cdn/shop/files/LS04_1.jpg; [backPicture] - https://loresum.com/cdn/shop/files/LS04_back.jpg; [lumePicture] - N/A; [Nickname] - True Moonphase Aventurine; [Brand] - Loresum; [Model] - LS04; [Country] - Hong Kong; [Product Link] - https://loresum.com/products/true-moonphase-aventurine; [reviewLink] - https://www.watchuseek.com/threads/loresum-true-moonphase-aventurine.5432100/; [Movement Type] - Automatic; [Movement Name] - Modified Miyota 9015; [# Secondary] - 1200; [watchDescription] - Microbrand dress watch with genuine astronomical moonphase and aventurine dial in stainless steel case; [caseWidth] - 39; [lugToLugLength] - 46; [thickness] - 11.5; [lug] - 20; [waterResist] - 50; [powerReserve] - 42; [beatFrequency] - 28800; [lume] - Super-LumiNova; [jewels] - 24; [caseMaterial] - Stainless Steel; [watchGlass] - Sapphire; [Bezel] - Fixed; [caseback] - Exhibition; [Crown] - Push-pull; [Strap] - Leather; [Shape] - Round; [Dial] - Aventurine; [Seconds] - Yes; [Date] - Yes; [Calendar] - No; [Chiming] - No; [Chronograph] - No; [Compass] - No; [dateCompilation] - No; [DigitalDisplay] - No; [Dress] - Yes; [Field] - No; [GMT] - No; [Mechanical Alarm] - No; [Moonphase] - Yes; [Tourbillon] - No; [worldTimer] - No; [powerReserveIndicator] - No; [Diver] - No; [Pilot] - No; [racing] - No; [Skeleton] - No; [Vintage] - No; [StyleFormal] - 1; [StyleCasual] - 1; [StyleSports] - 0; [StyleTravel] - 0; [StyleAdventure] - 0; [StyleCollector] - 1; [StyleTool] - 0; [StyleStatement] - 1; [StyleVintage] - 0; [StyleSmart] - 0; [StyleCustom] - 0; [TPS_new] - 7.0; [TPSgrade] - B; [TPSimpliedPrice] - 1200;

**A.I. WatchMetrics Review v37.5 Grok 4 Fast. December 22, 2025.**