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Citizen Tsuyosa Automatic vs Tudor Ranger 39mm M79950-0001 (steel, black dial, steel bracelet)
Citizen's timepiece meets Tudor's field watch
Quick Verdict
The Citizen Tsuyosa Automatic ($250–$500) offers Citizen/Miyota In-House Automatic precision in the tier below the Tudor Ranger 39mm M79950-0001 (steel, black dial, steel bracelet) ($2,500–$5,000). The Tsuyosa Automatic measures 40mm and is rated 50m (5 ATM). The Ranger 39mm M79950-0001 (steel, black dial, steel bracelet) counters with Swiss Made craftsmanship and 100m (10 ATM) water resistance. Both are exceptional watches for their respective tiers.
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Tudor
Ranger 39mm M79950-0001 (steel, black dial, steel bracelet)
$2,500–$5,000
Specifications Compared
| Feature | Citizen Tsuyosa Automatic | Tudor Ranger 39mm M79950-0001 (steel, black dial, steel bracelet) |
|---|---|---|
| Price | $250–$500 | $2,500–$5,000 |
| Case Size | 40mm | 39mm, 12.0mm thick, 20mm lugs |
| Movement | Automatic Caliber 8210 | Tudor manufacture calibre MT5402, automatic, COSC chronometer, bidirectional rotor |
| Caliber Type | Citizen/Miyota In-House Automatic | Tudor manufacture MT5402, COSC |
| Power Reserve | 40 Hours | About 70 hours |
| Water Resistance | 50m (5 ATM) | 100m (10 ATM) |
| Crystal | Sapphire Crystal with Cyclops | Domed sapphire |
| Case Material | Stainless Steel | Stainless steel, satin finish; smooth satin-brushed steel bezel; screw-down crown |
| Origin | Made in Japan | Swiss Made |
Category-by-Category Analysis
Design & Aesthetics
Citizen's design language vs Tudor's approach
The Citizen Tsuyosa Automatic features a Stainless Steel case at 40mm with Sapphire Crystal with Cyclops protection. The Tudor Ranger 39mm M79950-0001 (steel, black dial, steel bracelet) offers Stainless steel, satin finish; smooth satin-brushed steel bezel; screw-down crown construction at 39mm, 12.0mm thick, 20mm lugs with Domed sapphire. Both represent their brand's distinct design philosophy and heritage.
Movement & Performance
Automatic Caliber 8210 vs Tudor manufacture calibre MT5402, automatic, COSC chronometer, bidirectional rotor
The Tsuyosa Automatic runs the Automatic Caliber 8210 (Citizen/Miyota In-House Automatic, 40 Hours power reserve) at 21,600 vph (3 Hz) frequency. The Ranger 39mm M79950-0001 (steel, black dial, steel bracelet) uses the Tudor manufacture calibre MT5402, automatic, COSC chronometer, bidirectional rotor (Tudor manufacture MT5402, COSC, About 70 hours reserve) at standard. The Ranger 39mm M79950-0001 (steel, black dial, steel bracelet) offers a longer power reserve.
Wearability & Fit
40mm vs 39mm, 12.0mm thick, 20mm lugs — different wrist presence
At 40mm, the Tsuyosa Automatic has a bolder wrist presence compared to the Ranger 39mm M79950-0001 (steel, black dial, steel bracelet) at 39mm, 12.0mm thick, 20mm lugs. Water resistance differs: 50m (5 ATM) vs 100m (10 ATM).
Value & Cost of Ownership
Citizen sits in the lower tier
The Citizen Tsuyosa Automatic sits at $250–$500 and the Tudor Ranger 39mm M79950-0001 (steel, black dial, steel bracelet) at $2,500–$5,000. On the specs that outlast any price: the Tsuyosa Automatic uses Sapphire Crystal with Cyclops with 40 Hours, against Domed sapphire and About 70 hours on the Ranger 39mm M79950-0001 (steel, black dial, steel bracelet). Service intervals are typically 5-7 years for both.
Water Resistance
50m (5 ATM) vs 100m (10 ATM)
The Tsuyosa Automatic is rated to 50m (5 ATM) while the Ranger 39mm M79950-0001 (steel, black dial, steel bracelet) handles 100m (10 ATM). The Ranger 39mm M79950-0001 (steel, black dial, steel bracelet) offers superior water resistance.
Our Verdict
Citizen
Tsuyosa Automatic
Choose the Citizen Tsuyosa Automatic 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 AmazonTudor
Ranger 39mm M79950-0001 (steel, black dial, steel bracelet)
Choose the Tudor Ranger 39mm M79950-0001 (steel, black dial, steel bracelet) if you value Tudor manufacture MT5402, COSC technology, Swiss Made heritage, and 39mm, 12.0mm thick, 20mm lugs proportions. At $2,500–$5,000, the Tudor manufacture calibre MT5402, automatic, COSC chronometer, bidirectional rotor with About 70 hours power reserve makes it a compelling choice.
Check Price on AmazonThe Bottom Line
The Citizen Tsuyosa Automatic and Tudor Ranger 39mm M79950-0001 (steel, black dial, steel bracelet) represent two distinct approaches to fine watchmaking — the Citizen bringing Made in Japan tradition while Tudor delivers Swiss Made engineering.
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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.