Head-to-Head Comparison

Citizen Tsuyosa Automatic (Green Dial) vs Longines Master Collection Moonphase

Citizen's timepiece meets Longines's dress watch

Quick Verdict

The Citizen Tsuyosa Automatic (Green Dial) ($250–$500) offers Citizen/Miyota In-House Automatic precision in the tier below the Longines Master Collection Moonphase ($2,500–$5,000). The Tsuyosa Automatic (Green Dial) measures 40mm and is rated 50m (5 ATM). The Master Collection Moonphase counters with Swiss Made craftsmanship and 30m (3 ATM) water resistance. Both are exceptional watches for their respective tiers.

Transparency — We earn a small commission on purchases made through our Amazon links. This doesn't affect our editorial independence.

Citizen Tsuyosa Automatic (Green Dial)

Citizen

Tsuyosa Automatic (Green Dial)

$250–$500

Longines Master Collection Moonphase

Longines

Master Collection Moonphase

$2,500–$5,000

Specifications Compared

FeatureCitizen Tsuyosa Automatic (Green Dial)Longines Master Collection Moonphase
Price$250–$500$2,500–$5,000
Case Size40mm40mm
MovementAutomatic Caliber 8210Automatic Caliber L899
Caliber TypeCitizen/Miyota In-House AutomaticAutomatic (ETA A31.L91 base)
Power Reserve40 Hours72 Hours
Water Resistance50m (5 ATM)30m (3 ATM)
CrystalSapphire Crystal with CyclopsSapphire Crystal
Case MaterialStainless SteelStainless Steel
OriginMade in JapanSwiss Made

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Citizen's design language vs Longines's approach

The Citizen Tsuyosa Automatic (Green Dial) features a Stainless Steel case at 40mm with Sapphire Crystal with Cyclops protection. The Longines Master Collection Moonphase offers Stainless Steel construction at 40mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Longines

Automatic Caliber 8210 vs Automatic Caliber L899

The Tsuyosa Automatic (Green Dial) runs the Automatic Caliber 8210 (Citizen/Miyota In-House Automatic, 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Master Collection Moonphase uses the Automatic Caliber L899 (Automatic (ETA A31.L91 base), 72 Hours reserve) at 25,200 vph (3.5 Hz). The Master Collection Moonphase offers a longer power reserve.

📏

Wearability & Fit

Edge: Draw

40mm vs 40mm — different wrist presence

At 40mm, the Tsuyosa Automatic (Green Dial) is similarly sized compared to the Master Collection Moonphase at 40mm. Water resistance differs: 50m (5 ATM) vs 30m (3 ATM).

💰

Value & Cost of Ownership

Edge: Citizen

Citizen sits in the lower tier

The Citizen Tsuyosa Automatic (Green Dial) sits at $250–$500 and the Longines Master Collection Moonphase at $2,500–$5,000. On the specs that outlast any price: the Tsuyosa Automatic (Green Dial) uses Sapphire Crystal with Cyclops with 40 Hours, against Sapphire Crystal and 72 Hours on the Master Collection Moonphase. Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Citizen

50m (5 ATM) vs 30m (3 ATM)

The Tsuyosa Automatic (Green Dial) is rated to 50m (5 ATM) while the Master Collection Moonphase handles 30m (3 ATM). The Tsuyosa Automatic (Green Dial) is better suited for water activities.

Our Verdict

Citizen

Tsuyosa Automatic (Green Dial)

Choose the Citizen Tsuyosa Automatic (Green Dial) if you prioritize Citizen/Miyota In-House Automatic engineering, Made in Japan craftsmanship, and 50m (5 ATM) water resistance. At $250–$500, it delivers Automatic Caliber 8210 with 40 Hours power reserve.

Check Price on Amazon

Longines

Master Collection Moonphase

Choose the Longines Master Collection Moonphase if you value Automatic (ETA A31.L91 base) technology, Swiss Made heritage, and 40mm proportions. At $2,500–$5,000, the Automatic Caliber L899 with 72 Hours power reserve makes it a compelling choice.

Check Price on Amazon

The Bottom Line

The Citizen Tsuyosa Automatic (Green Dial) and Longines Master Collection Moonphase represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Longines delivers Swiss Made engineering.

Frequently Asked Questions

Neither is objectively better — they serve different preferences. The Citizen Tsuyosa Automatic (Green Dial) ($250–$500) offers Automatic Caliber 8210 with 40 Hours power reserve, while the Longines Master Collection Moonphase ($2,500–$5,000) features Automatic Caliber L899 with 30m (3 ATM) water resistance. Choose based on your priorities: Made in Japan craftsmanship vs Swiss Made engineering.
The Citizen Tsuyosa Automatic (Green Dial) offers better upfront value, sitting a tier lower at $250–$500. However, the Longines Master Collection Moonphase may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Tsuyosa Automatic (Green Dial) at 40mm with 50m (5 ATM) water resistance handles everyday situations. The Master Collection Moonphase at 40mm with 30m (3 ATM) is similarly capable. The Tsuyosa Automatic (Green Dial) uses Sapphire Crystal with Cyclops while the Master Collection Moonphase uses Sapphire Crystal.

How This Page Was Made

Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.