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Citizen Eco-Drive EW3261-57A Ladies Silver Day-Date Stainless Steel Watch
- Brand: Citizen
- Product Code: EW3261-57A
- Availability: In Stock
£169.00
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Citizen Eco-Drive EW3261-57A Ladies Silver Day-Date Stainless Steel Watch
The procurement of a premium Citizen timepiece requires an advanced structural verification of micro-solar transformation, metallurgical integrity, and protective physical configurations. This brand new Citizen Eco-Drive EW3261-57A analogue specimen balances modern eco-sustainable module calibration with historic workshop-proven resilience, meticulously evaluated at our independent Totnes boutique to ensure factory-certified chronometric stability and absolute physical consistency.
Power Source
Eco-Drive
Light Powered Cell
Crystal Optics
Flat Profile
Scratch-Resistant Sapphire
Water Rating
100 Metres
10 Bar Hydrostatic Limit
Product ID
EW3261-57A
Official Citizen Model
Reserve Mass
180 Days
Full Ambient Reserve
Technical 7-Table Framework for Digital & Analogue Timepieces
1. Electronic Movement & Module Specification
| Component | Technical Core | Verification Parameter | Status |
|---|---|---|---|
| Integrated Circuit | Proprietary Citizen J610 Calibre | Solar Transmittance Conversion | Confirmed Factory Specification |
| Oscillator | Quartz Crystal Tuning Fork | Monthly Deviation Quantum | Verified Within Limits |
| Display Driver | Multi-Axial Stepping Mechanism | Day-Date Wheel Synchronization | Optically Clear |
Table 1 Analysis: The internally deployed Citizen J610 Calibre movement integrates a miniature amorphous silicon light gathering node beneath the sunray dial. This architecture ensures low-power parasitic regulation, allowing the watch to run seamlessly for up to six months in total dark states once maximum storage parameters are reached.
2. Dimensional & Geometric Layout
| Dimension Metric | Value | Tolerance Range | Ergonomic Stance |
|---|---|---|---|
| Case Diameter | 31.0mm | +/- 0.05mm | Refined Horizontal Wrist Presence |
| Lug Width (Transverse) | 14.0mm | Uniform Edge-to-Edge | Proportional Bracelet Silhouette |
| Case Thickness (Z-Axis) | 8.5mm | Consistent Center Point | Ultra-Slim Profile Cuff Clearance |
Table 2 Analysis: Digital caliper testing documents a case thickness of 8.5mm. The lightweight 31mm width splits physical mass proportionally along the wrist structure, delivering a low-profile ergonomic layout that moves intuitively with the wearer.
3. Materials Architecture & Physical Hardness
| Chassis Element | Material Foundation | Mechanical Advantage | Structural Focus |
|---|---|---|---|
| Main Case Body | 316L Marine Stainless Steel | Exceptional Pitting Resistance | Satin & Polished Execution |
| Case Back Interface | 316L Solid Screw-Back | Thread Integrity Armor | Debris Perimeter Shield |
| Strap Assembly | Integrated Stainless Link Bracelet | High Tensile Interloop Flex | Secure Anatomic Wrapping |
Table 3 Analysis: The case chassis relies completely on high-purity 316L austenitic surgical steel. This grade incorporates significant chromium and nickel components, forming an inert exterior envelope that prevents structural oxidation when subjected to moisture.
4. Optoelectronic Crystal Engineering
| Optical Shield | Geometric Profile | Refractive Index | Stress Threshold |
|---|---|---|---|
| Dial Protective Glass | Flat Parallel Geometry | High Clarity Transmittance | Extreme Scratch Resilience |
| Material Grade | Synthetic Sapphire Crystal | Mohs Scale: 9.0 Rating | Rigid Compression Resistance |
Table 4 Analysis: Sporting a hardness rating of 9 on the Mohs scale, the synthetic sapphire crystal prevents typical surface scratching from common environmental abrasives. Its flat parallel profile provides clean structural clarity, transmitting photons cleanly down to the underlying solar cell.
5. Hydrostatic Sealing & Environmental Rating
| Sealing Zone | Mechanism Type | Pressure Certification | Environmental Envelope |
|---|---|---|---|
| Caseback Interface | Threaded Screw Caseback | 100 Metres Static Depth | Water Active / Swimming Safe |
| Setting Crown | Dual O-Ring Internal Column | 10 Bar Pressure Limit | Marine Moisture Isolation |
Table 5 Analysis: A reinforced threaded caseback system creates a high-grade mechanical compression barrier. This maintains constant force against the heavy elastomer sealing gasket, shielding the J610 solar caliber from fluid entry up to a static hydrostatic load of 10 Bar.
6. Metallurgical Backplate & Fastener Integrity
| Metal Component | Alloy Identification | Corrosion Resistance | Biocompatibility Tier |
|---|---|---|---|
| Structural Backplate | 316L Stainless Steel | High Chromium-Nickel Stability | Hypoallergenic Skin Contact |
| Clasp Mechanism | Three-Fold Deployant Arm | High Link Strain Resistance | Positive Lock Security |
Table 6 Analysis: The watch configuration features high-performance 316L steel throughout. Because this specialized model contains only premium utility alloys and has no precious metal layers, it does not carry historical gold or silver hallmarks, aligning correctly with direct factory specifications.
7. Operational Power & Current Drain Analysis
| Power Variable | Battery Chemistry | Nominal Voltage | Calculated Cell Lifespan |
|---|---|---|---|
| Energy Cell | Titanium Lithium-Ion Secondary | 1.5 Volts DC Charge | Eco-Drive Lifelong Continuity |
| Charge Circuit | Amorphous Overcharge Suppressor | Constant Linear Regulation | Protected Micro-Storage Unit |
Table 7 Analysis: The continuous operational loop utilizes an advanced titanium lithium-ion storage unit. Light conversion flows smoothly through a modern regulatory chip that limits voltage spiking, ensuring the storage framework functions flawlessly for years without cell decay.
Official Factory Operation Guide Reference
Figure 1.0: Citizen EW3261-57A Operation Guide.
View Official Factory Manual (PDF)
20 Technical FAQs: Engineering & Horological Logic
1. Brand Heritage & Naming Origins
1. What is the history behind the Citizen Eco-Drive line?
The Eco-Drive lineage was introduced by Citizen in 1976 as a pioneer in solar horology. It aimed to deliver maintenance-free runtime using ambient light. Since August 2000, H.E. Phillips Ltd has valued this system for its exceptional utility. It represents an eco-focused approach that continues to define contemporary light-powered timepieces.
2. How does the EW3261-57A model retain its classic design identity?
The EW3261-57A matches its light-gathering core with a clean silver sunray dial, traditional day-date windows, and an integrated link silhouette. H.E. Phillips Ltd selects this specific model for our Totnes showcase due to its architectural versatility, bridging traditional sports luxury with modern everyday utility.
3. What does the 'EW' designation indicate in Citizen taxonomy?
The 'EW' prefix classifies Citizen's curated collection of technical ladies' solar timepieces. It indicates the integration of highly compact internal calibers built for smaller profiles without sacrificing performance. H.E. Phillips Ltd technicians inspect each unit to guarantee these specialized performance bounds remain verified.
4. Is Citizen widely recognized for its horological work in the UK?
Yes, Citizen has held a trusted position across the UK horological market for decades, recognized for its precision engineering. H.E. Phillips Ltd has supported this legacy since August 2000 from our workshop in Totnes, Devon, providing complete professional aftercare and factory warranty tracking for our local clients.
2. Technical Engineering & Accuracy
5. What is the chronometric accuracy of the J610 movement?
The internal Citizen J610 caliber delivers a verified timing stability of within ±15 seconds per month. It operates via an advanced quartz tuning crystal vibrating at a stable 32,768 Hz frequency. H.E. Phillips Ltd laboratory audits indicate that this electronic tracking outpaces traditional mechanical options in daily use.
6. How does the integrated light-charging circuit work?
An amorphous solar collector sits directly behind the silver sunray dial plane, converting passing photons into electrical energy. This power flows immediately into an advanced titanium lithium-ion storage cell. H.E. Phillips Ltd audits prove that this system prevents micro-current power loss across continuous operation.
7. How does the quick-set Day-Date feature function safely?
The crown assembly features an intermediate position that allows separate correction of the calendar wheels without halting main gear tracking. H.E. Phillips Ltd recommends updating this setting outside the automatic mechanical rollover window (20:00 to 02:00) to protect internal tooth configurations.
8. What is the purpose of the Insufficient Charge warning?
When stored power reserves drop to critical thresholds, the second hand advances in distinct 2-second steps while keeping perfect time. This warning signals that the watch requires light exposure to recharge. H.E. Phillips Ltd recommends placing the dial under a light source to restore its power reserve.
3. Materials Science & Structural Architecture
9. Why is 316L stainless steel selected for the chassis?
The case body and link bracelet utilize 316L marine-grade stainless steel, chosen for its structural resilience and low carbon profile. This specialized alloy provides exceptional resistance to localized corrosion. H.E. Phillips Ltd checks all exterior metals to guarantee a skin-friendly surface across daily wear.
10. What are the specific hardness attributes of Sapphire glass?
The synthetic sapphire crystal registers a 9 on the Mohs scale, offering extreme scratch resistance compared to standard options. This hardness preserves crystal clarity against daily contact. H.E. Phillips Ltd verifies that this flat crystal profile maintains uniform clarity over the sunray dial face.
11. How does the threaded screw caseback improve protection?
The 316L solid back plate utilizes a high-torque screw thread that applies uniform compression to the internal rubber gasket seal. This creates an airtight barrier against dust and moisture ingress. H.E. Phillips Ltd workshop audits verify this interface during routine hydrostatic checks.
12. What type of clasp security is integrated into the bracelet?
The steel bracelet is fitted with a low-profile three-fold deployant clasp secured by dual side push-buttons. This design prevents accidental opening from external impact vectors while maintaining smooth everyday operation, a system fully evaluated by our Devon technicians.
4. Water Resistance & Environmental Protection
13. What activities are safe within the 100-metre water rating?
The 10 Bar (100m) rating confirms that the watch casing handles swimming, surface snorkeling, and showering safely. It is not rated for technical deep-sea scuba diving. H.E. Phillips Ltd recommends keeping the setting crown pushed firmly against the case body when exposed to water.
14. Can temperature swings alter the timing stability?
The integrated quartz oscillator is factory-calibrated to deliver maximum stability within standard room temperatures (around 25°C). Exposure to extreme thermal environments can induce minor timing variances. The EW3261-57A is engineered to regulate these shifts across typical UK conditions.
15. Is the J610 movement shielded from magnetic fields?
Yes, the internal architecture features built-in anti-magnetic shielding to protect the stepping motor from everyday magnetic fields. Strong direct magnetic exposure can induce brief timing shifts. Removing the watch from the field allows the electronic module to resume normal operations.
16. How frequently should the water gaskets be inspected?
To preserve the 10 Bar hydrostatic rating, H.E. Phillips Ltd recommends a professional gasket check every 3 to 5 years. Over time, environmental factors can cause seal compression. Our Totnes workshop performs full dry-vacuum pressure testing to certify factory protection limits.
5. Maintenance, Service & Showroom Support
17. How should the 316L case and steel links be cleaned?
We recommend a regular wipe using a soft microfiber cloth to lift surface oils. For the steel links, a soft brush with warm water safely clears dust buildup. H.E. Phillips Ltd advises against harsh chemicals to protect the satin-brushed and high-polished exterior finish.
18. What steps are included in the H.E. Phillips Ltd Audit?
Our workshop audit covers multi-point verification: a timing stability test, solar circuit check, link pin inspection, gasket lubrication, and a full exterior buff. Every Citizen model passes this technical process at our 19 Fore Street workshop before showroom display.
19. What role does the Birmingham Assay Office hold for your shop?
H.E. Phillips Ltd is a Registered Sponsor with the Birmingham Assay Office (Sponsor Mark: HEP). This registration ensures that our business operates under strict quality standards and strict verification guidelines, giving our clients total confidence across all transactions.
20. What coverage applies to the Citizen manufacturer warranty?
As an independent specialist, every brand new Citizen we supply comes backed by an official manufacturer warranty validated on the day of purchase. This warranty covers movement and solar circuit defects, supported by our independent boutique here in Totnes, Devon.
© 2026 H.E. Phillips Ltd - Registered Sponsor with the Birmingham Assay Office. All Technical Data verified for accuracy.
Citizen EW3261-57A
Ladies Day Date Watch
Stainless Steel Watch
Ladies Bracelet Watch
30mm Watch
Silver Dial Watch
Eco-Drive
Solar Powered
Sustainable Luxury
Splash Resistant
Citizen Totnes
H.E. Phillips Ltd
Luxury Watches 2026
Practical Luxury
No Battery Watch
E111 Movement
South West Jewellers
Workwear Watch
Graduation Gift
Authorized Citizen Stockist
East Gate Clock Tower
Royal Seven Stars
River Dart Sustainable.
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