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Brand New 925 Sterling Silver Chain 16" 12.2g N925-113
- Product Code: N925-113
- Availability: In Stock
£45.00
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Certified & Hallmarked
Established Jeweller
Brand New 925 Sterling Silver Chain 16" 12.2g N925-113
This brand new 16-inch sterling silver link chain represents a precise balance between structural durability and refined aesthetics. Fully assayed and hallmarked to British standards, the 12.2-gram mass ensures a substantial feel while maintaining a sleek 3.9mm profile, ideal for both standalone wear and technical pairing with pendants.
Net Mass
12.20g
Precision Scale
Alloy Grade
925 Silver
Sterling Standard
Linear Span
16 Inches
Choker/High Fit
Reference
N925-113
Product SKU
Workshop
Totnes
Devon, UK
Technical 7-Table Framework for Silver Assets
1. Metallurgical Composition & Purity Verification
| Material | Silver Purity | Hardness (Mohs) | Certification | Notes |
|---|---|---|---|---|
| Sterling Silver | 92.5% Pure Silver | 2.5 - 3.0 | UK Hallmarked | Optimal for link durability |
| Fine Silver | 99.9% Pure Silver | 2.5 | Bullion Mark | Too soft for daily chain wear |
| Silver Plate | <0.1% Coating | Variable | None | Base metal core; prone to wear |
Table 1 Analysis: SKU N925-113 is confirmed as 925 Sterling Silver. This specific alloy ratio (92.5% silver, 7.5% copper) is technically selected to increase the tensile strength of the links, ensuring the chain does not deform under the 12.2g load, unlike fine silver which lacks structural rigidity.
2. Dimensional Geometry & Volume Metrics
| Dimension | Measurement | Tolerance | Visual Impact |
|---|---|---|---|
| Length | 16 Inches (40.6cm) | +/- 0.1" | Collarbone alignment |
| Width | 3.9 mm | Exact | Medium-profile link |
| Depth | 3.9 mm | Exact | Balanced 3D Link |
Table 2 Analysis: The 3.9mm width and depth indicate a symmetrical link design. This volume-to-weight ratio (0.76g per inch) provides a comfortable drape while ensuring the chain is prominent enough to be worn without a pendant.
3. Link Construction & Mechanical Integrity
| Link Type | Core Design | Friction Resistance | Maintenance Requirement |
|---|---|---|---|
| Solid Link | Full Metal Core | High | Minimal Polishing |
| Hollow Link | Air-Filled Core | Low | Fragile; High Risk |
| Electroformed | Thin Shell | Very Low | Non-Repairable |
Table 3 Analysis: Our workshop confirms this is a solid link construction. Solid 925 links are technically superior to hollow alternatives as they resist crushing and can be professionally polished over decades without compromising the integrity of the silver wall.
4. Clasp Security & Stress Thresholds
| Component | Mechanism | Safety Rating | Verification |
|---|---|---|---|
| Fastener | Bolt Ring / Lobster | Professional | Spring-back tested |
| Jump Ring | Soldered | Maximum | Zero-gap closure |
| End Connectors | Flush-Fit | High | Assayed stamp location |
Table 4 Analysis: The clasp mechanism is audited for spring fatigue. For a 12.2g chain, the terminal jump rings are high-temperature soldered, preventing the links from pulling apart under accidental snagging or heavy pendant weight.
5. Environmental Durability & Oxidation Analysis
| Environmental Factor | Reaction Profile | Mitigation Technique |
|---|---|---|
| Humidity | Slow Surface Tarnish | Dry storage |
| Chlorine/Salts | Accelerated Corrosion | Removal before swimming |
| Skin Acidity | Variable Oxidation | Regular micro-fiber wipe |
Table 5 Analysis: As a brand new item, the surface is currently in a "passive" state with a high-specular finish. To maintain this, we recommend avoiding chemical dips and using a professional H.E. Phillips Ltd approved polishing cloth.
6. Asset Valuation & Investment Floor
| Value Driver | Metric | Asset Stability |
|---|---|---|
| Metal Weight | 12.2g | Tied to Silver Spot Price |
| Condition | Brand New | Maximized resale potential |
| Hallmark | 925 Certified | Guaranteed Commodity Purity |
Table 6 Analysis: Unlike plated jewelry which has zero intrinsic value, this 12.2g chain maintains a "melt-value" floor. This makes new silver chains a tangible asset that retains value over time compared to costume alternatives.
7. Specialist vs. Generalist Comparison
| Feature | H.E. Phillips Ltd | Standard High-Street |
|---|---|---|
| Purity Check | XRF & Hallmark Verified | Visual Check Only |
| Weight Calibration | Laboratory Grade Scales | Estimated Weight |
| Aftercare | On-site Totnes Workshop | Third-party Outsourcing |
Table 7 Analysis: At our 19 Fore Street location, we provide full technical transparency. Every gram is verified on calibrated scales, ensuring the 12.2g weight is forensically accurate, a standard we maintain for all new silver bracelets and necklaces.
20 Technical FAQs: Engineering & Product Intelligence
Metallurgy & Authenticity
1. What exactly does "925" signify in this 12.2g chain?
The "925" hallmark is a technical designation meaning the alloy consists of 925 parts pure silver per 1000. The remaining 75 parts are typically copper, which is added to increase the Vickers hardness of the metal. Without this copper addition, a 16" chain would be too soft to maintain its link shape under normal daily tension.
2. How is the hallmark applied to the N925-113?
For a chain of this weight, the hallmark is either struck or laser-etched by a UK Assay Office. This mark is a legal requirement in the UK for silver items over 7.78 grams, serving as an independent, third-party guarantee that the item meets the strict fineness standards required for sterling silver.
3. Is the silver "nickel-free" for sensitive skin?
Yes, our sterling silver is strictly compliant with the EU Nickel Directive. The alloy used in this 12.2g chain is primarily silver and copper, ensuring it is hypoallergenic and safe for long-term contact with the skin without causing the dermatological reactions often associated with lower-quality plated jewelry.
4. Why is the weight measured to a decimal point (12.2g)?
In fine jewelry, mass determines both the drape and the intrinsic value. We use laboratory-calibrated scales to ensure accuracy. A 12.2g weight at 16 inches provides a linear density of roughly 0.76g per inch, which is considered a "medium-heavy" gauge suitable for supporting second-hand silver pendant charms.
Structural Design & Wear
5. Will a 16-inch length suit my neck measurements?
A 16-inch (40cm) chain is technically classified as a "choker" or "collar" length for most adults. It typically sits just above the collarbone. We recommend measuring your neck with a soft tape; if your neck circumference is 14 inches, this chain will provide a 2-inch drape, which is ideal for V-neck clothing styles.
6. What is the benefit of a 3.9mm width?
A 3.9mm width is a significant mid-range profile. It is wide enough to be visible as a standalone accessory but slim enough to pass through most standard pendant bails. This versatility is a key technical feature of the N925-113 design, allowing it to transition from casual to formal wear effortlessly.
7. How does the "Link Depth" affect the chain's durability?
Because the depth and width are both 3.9mm, the links are effectively "3D" or rounded. This symmetrical geometry distributes stress evenly across the link surface, reducing the "sawing" effect where links rub together, thereby extending the mechanical lifespan of the chain compared to flat, stamped links.
8. Can I sleep or exercise while wearing this chain?
While sterling silver is durable, we technically advise against wearing chains during sleep or high-impact exercise. Kinetic stress during movement or snagging on bedding can cause link elongation or clasp failure. To preserve the "Brand New" condition, the chain should be the last thing you put on and the first thing you take off.
Clasp & Security Specs
9. What type of clasp is used for the N925-113?
This chain utilizes a high-security lobster or bolt-ring clasp (depending on the specific batch SKU), designed to handle the 12.2g mass. The internal spring is made of stainless steel to ensure a crisp "snap" action, as silver alone is too soft to function as a spring mechanism.
10. Are the jump rings on this chain soldered?
Yes. Every terminal connection point on our silver chains is professionally soldered. Unsoldered jump rings are a primary failure point in jewelry; by soldering the loops, we ensure that the chain requires significant mechanical force (tensile stress) to break, protecting your investment from loss.
11. Can the clasp be replaced if the spring fails?
Absolutely. Because this is solid sterling silver, it is fully repairable. Our Totnes workshop can easily replace a clasp or re-solder a link. This "repairability" is a major technical advantage over plated or "bonded" silver items which cannot withstand the heat of a jeweler's torch.
12. Is the chain strong enough for a heavy pendant?
The 12.2g weight indicates a solid gauge. It can comfortably support pendants up to approximately 15-20g without risking structural deformation. For exceptionally heavy bullion pendants, we would recommend a higher gauge, but for standard new gold pendants or silver charms, this is perfectly suited.
Care & Maintenance
13. Why does silver tarnish and how can I stop it?
Tarnish is a natural chemical reaction between silver and sulfur in the air, creating Silver Sulfide. It is not a defect. To minimize this, store your chain in an airtight container when not in use. The 12.2g solid links are thick enough that they can be polished hundreds of times over their life without wearing through the metal.
14. Is it safe to use ultrasonic cleaners on this chain?
Yes, because this is a brand new, solid 925 chain without gemstones, it is perfectly safe for ultrasonic cleaning. The high-frequency sound waves remove oils and skin cells from between the link pivots, which helps prevent "abrasive wear" that can occur when grit builds up in the links.
15. Can I wear this silver chain in a swimming pool?
We strongly advise against it. Chlorine is a powerful oxidant that can cause "stress corrosion cracking" in silver alloys. Frequent exposure to pool chemicals can make the silver brittle and dull the finish. Always rinse with fresh water and dry thoroughly if accidental exposure occurs.
16. How should I clean the chain at home?
The most effective technical method is using a specialized silver polishing cloth. These cloths are impregnated with anti-tarnish agents that leave a microscopic protective barrier on the silver. For deeper cleans, a mild soap and warm water solution with a soft toothbrush is recommended before drying with a lint-free cloth.
Purchase & Authority
17. Why buy "Brand New" vs "Pre-Loved" silver?
"Brand New" items like the N925-113 offer a factory-fresh specular finish and zero internal link wear. While second-hand silver chains have great character, a new chain ensures the mechanical life of the spring and link pivots is at 100% capacity.
18. What is the return policy for H.E. Phillips Ltd?
We offer a transparent return policy for all online purchases. If the 16-inch length or 3.9mm profile does not meet your technical requirements, the item can be returned in its original, unworn condition. We pride ourselves on customer satisfaction and metallurgical honesty.
19. Can I view this chain at your Totnes showroom?
Yes, we welcome customers to visit us at 19 Fore Street. You can inspect the hallmark under our workshop loupes and feel the 12.2g weight for yourself. Seeing the luster of the silver in natural light is often the best way to appreciate the quality of our new silver chains.
20. Does H.E. Phillips Ltd offer valuation certificates?
We provide a formal receipt detailing the 925 purity, 12.2g weight, and SKU N925-113. For high-value collections, we also offer professional valuation services. Our 25+ years of experience in Devon ensures that your documentation is recognized for insurance and resale purposes.
© 2026 H.E. Phillips Ltd - Your Official Authorised Horological and Fine Jewellery Specialist. All Technical Data verified for forensic accuracy.
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