# Citizen Tsuyosa Automatic Review by A.I. WatchMetrics

## Watch Summary
The Citizen Tsuyosa Automatic (ref. NJ0150-81X) is a sporty integrated dive-style watch with a 40mm stainless steel case, vibrant green sunray dial, and distinctive inner rotating countdown bezel, powered by the robust Miyota Cal. 8210 automatic movement with 42 hours of power reserve, targeting budget-conscious enthusiasts who appreciate Japanese reliability and bold, vintage-inspired aesthetics reminiscent of military divers.

## Overall Watch Rating: 5.6/10.0

**Material Metric (8.4/10.0)** - The stainless steel case with sapphire crystal and polished finishing rivals entry-level luxury divers like the Oris Aquis in build quality.
**Versatility Metric (7.8/10.0)** - Its 40mm size, integrated bracelet, and casual-sports profile make it more adaptable than dedicated tool watches like the Seiko Prospex.
**Dials & Design Metric (7.2/10.0)** - The sunburst dial with applied indices and strong legibility stands out like a modern take on Marathon divers, though the homage vibe tempers originality.
**History & Innovation Metric (6.3/10.0)** - Citizen's pioneering quartz legacy bolsters its score, comparable to Seiko's mechanical heritage but without standout innovation here.
**Brand Metric (5.2/10.0)** - As a mid-tier Japanese staple, it matches Seiko or Hamilton in everyday dependability without the prestige of Tudor.
**Movement Metric (5.3/10.0)** - The Miyota 8210 offers solid no-frills performance akin to ETA 2824 clones, reliable but unrefined.
**Functions Metric (5.0/10.0)** - Basic time, date, and inner bezel functionality align with average automatics like the Tissot PRX.
**Rarity Metric (3.0/10.0)** - Mass production keeps it common on the market, unlike limited-run microbrands.
**Complications Metric (2.5/10.0)** - Minimal features beyond the bezel lag behind even basic chronographs like the Citizen Eco-Drive chronos.

## Total Performance Score (TPS): 9.9

## WM Collector Grade: A+

## Performance Insights: Excels in materials and versatility for daily wear while rarity and complications are understandably modest at this price; delivers outstanding value far below its $2,450 implied price.

## TPS Interpretation: Exceptional Value: This watch overdelivers on quality design and build relative to its affordable price, ideal for smart collectors.

## Watch Data
[Picture URL] - https://citizenwatch-global.com/image/catalog/product/NJ0150/NJ0150-81X/NJ0150-81X_1.png; [backPicture] - https://citizenwatch-global.com/image/catalog/product/NJ0150/NJ0150-81X/NJ0150-81X_2.png; [lumePicture] - ; [Nickname] - Tsuyosa; [Brand] - Citizen; [Model] - Tsuyosa Automatic NJ0150-81X; [Country] - Japan; [Product Link] - https://www.citizenwatch.com/us/en/model/NJ0150-81X.html; [reviewLink] - https://www.hodinkee.com/articles/intro-citizen-tsuyosa; [Movement Type] - Automatic; [Movement Name] - Miyota 8210; [# Secondary] - 0; [watchDescription] - Sporty 40mm diver-style automatic with integrated bracelet, green sunray dial, inner black rotating bezel, and screw-down crown; [caseWidth] - 40; [lugToLugLength] - 46.8; [thickness] - 11.7; [lug] - 21; [waterResist] - 50; [powerReserve] - 42; [beatFrequency] - 21600; [lume] - Luminova; [jewels] - 21; [caseMaterial] - Stainless Steel; [watchGlass] - Sapphire; [Bezel] - Inner rotating black countdown; [caseback] - Solid; [Crown] - Screw-down; [Strap] - Stainless steel bracelet; [Shape] - Round; [Dial] - Green sunray; [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] - no; [StyleFormal] - no; [StyleCasual] - yes; [StyleSports] - yes; [StyleTravel] - no; [StyleAdventure] - yes; [StyleCollector] - no; [StyleTool] - yes; [StyleStatement] - yes; [StyleVintage] - no; [StyleSmart] - no; [StyleCustom] - no; [TPS_new] - 9.9; [TPSgrade] - A+; [TPSimpliedPrice] - 2450;

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