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Pre-Loved Vintage Second Hand 925 Sterling Silver Chain 18" 137.9g 2H925-483
- Product Code: 2H925-483
- Availability: In Stock
£395.00
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Full Minimum 12-Month Guarantee
30-Day Hassle-Free Returns
Certified & Hallmarked
Established Jeweller
Pre-Loved Vintage Second Hand 925 Sterling Silver Chain 18" 137.9g 2H925-483
This heavy-gauge pre-loved specimen represents a significant investment in vintage silver craftsmanship. Verified at our Totnes workshop, this 137.9-gram sterling silver chain offers a substantial 13.5mm width and 18-inch span, providing an elite physical presence and verified metallurgical purity for collectors of high-mass precious metal assets.
Net Mass
137.9g
Verified Solid
Alloy Grade
925 Silver
Sterling Standard
Linear Span
18 Inches
Classic Fit
Reference
2H925-483
Asset Serial ID
Width/Depth
13.5 / 2.7mm
Heavy Gauge
Technical 7-Table Framework for Silver Assets
1. Metallurgical Composition & Alloy Stability
| Material | Silver % | Specific Gravity | Technical Role | Purity Verification |
|---|---|---|---|---|
| Sterling Silver | 92.5% | 10.49 g/cm³ | Structural Core | Hallmark Confirmed |
| Copper Alloy | 7.5% | 8.96 g/cm³ | Hardening Agent | Standard Sterling Mix |
| Surface State | High Polish | Reflective | Specular Finish | Micro-Abrasive Restore |
Table 1 Analysis: At 137.9g, this item contains approximately 127.5g of pure elemental silver. The 7.5% copper component is essential for a chain of this width (13.5mm), providing the tensile strength necessary to prevent link deformation under its own significant mass.
2. Dimensional Geometry & Load Distribution
| Measurement | Value | Tolerance | Impact on Wear |
|---|---|---|---|
| Width | 13.5 mm | ± 0.1mm | Broad footprint on clavicle |
| Depth/Thickness | 2.7 mm | ± 0.05mm | Resistance to kinking |
| Link Density | 7.66g per inch | High Mass | Superior drape stability |
Table 2 Analysis: The wide 13.5mm profile ensures that the 137.9g load is distributed across a larger surface area of the skin, increasing comfort. The 2.7mm depth provides significant "wall thickness" to each link, making this second-hand silver chain virtually immune to the stretching common in hollow-link alternatives.
3. Mechanical Integrity Audit (SKU: 2H925-483)
| Component | Security Audit | Action Verified | Replacement Risk |
|---|---|---|---|
| Clasp Mechanism | High-Tension Spring | Secure Snap-Back | Low (Workshop Tested) |
| Terminal Rings | Soldered Joints | Non-Gap Closure | Zero (Permanent) |
| Link Articulation | 360° Rotation | Fluid movement | No link-locking detected |
Table 3 Analysis: Given the heavy weight of 137.9g, the clasp must withstand significant kinetic energy. We have verified that the terminal jump rings are fully soldered, ensuring the chain remains a single, secure loop. Unlike many new silver chains, this vintage piece shows no signs of "thinning" at high-friction pivot points.
4. Maritime Care & Environmental Response
| Factor | Interaction | Mitigation Strategy |
|---|---|---|
| Salt Air (Devon) | Sulfide Layering | Dual-Action Micro-cloth |
| Skin Acidity | Gradual Dullness | Annual Ultrasonic Clean |
| Storage | Atmospheric Moisture | Anti-tarnish Airtight Guard |
Table 4 Analysis: Totnes' proximity to the coast means silver assets are prone to faster oxidation. Because this is a heavy 137.9g piece, it can be polished many more times than a lightweight chain without losing structural integrity, ensuring it remains a heritage asset for decades.
5. Ergonomic & Comfort Analysis
| User Metric | Rating | Technical Justification |
|---|---|---|
| Clavicle Pressure | Stable | Width prevents "digging" into skin |
| Pivot Fluidity | High | Bevelled edges reduce friction |
| Skin Safety | Hypoallergenic | Nickel-free 925 alloy verification |
Table 5 Analysis: The 18-inch length is a standard fit that places the 137.9g mass at the center of the chest. The width-to-depth ratio of 5:1 (13.5mm vs 2.7mm) ensures the chain lays flat against the body, preventing the "rolling" effect seen in narrower, rounder chains.
6. Provenance & Hallmarking Standards
| Marking | Status | Legal Compliance |
|---|---|---|
| 925 Fineness | Fully Hallmarked | Statutory UK Requirement |
| Assay Mark | Verified | Independent Purity Test |
| Authenticity | Guaranteed | H.E. Phillips Ltd Verification |
Table 6 Analysis: In the UK, any silver item over 7.78g must be hallmarked. This 137.9g specimen exceeds this by over 17 times. Our verification confirms the hallmark matches the silver content, providing much higher security than unhallmarked imports found elsewhere. This rigor applies to our second-hand silver bracelets as well.
7. Authority Comparison: H.E. Phillips Ltd vs. Market
| Feature | Our Standard | General Retailers |
|---|---|---|
| Weight Accuracy | Precision Lab Calibrated | Estimated or Rounded |
| Restoration | Workshop Ultrasonic/Hand Buff | Surface Wipe Only |
| Experience | Since August 2000 | Variable/New Entry |
Table 7 Analysis: Since 2000, H.E. Phillips Ltd has specialized in heavy-gauge silver. We provide a transparent refund policy on SKU 2H925-483, ensuring that the mass, purity, and condition are exactly as described.
20 Technical FAQs: Engineering & Asset Management
Metallurgical Intelligence
1. What makes 137.9g exceptional for an 18" chain?
Most commercial silver chains at 18 inches weigh between 10g and 30g. At 137.9g, this item has a density of 7.66g per linear inch. This implies a solid, heavy-wall construction that is nearly five times as substantial as standard retail offerings, providing high intrinsic metal value.
2. Is "Vintage" silver more durable than new silver?
Vintage pieces like this were often manufactured using casting and finishing techniques that prioritize metal thickness. Modern "fast jewelry" often uses electroforming to create hollow centers; this 137.9g piece is solid sterling silver, making it significantly more resistant to crushing or denting.
3. How do you verify the 925 purity of this item?
We use a multi-step process: initial hallmark identification using a 10x jeweler’s loupe, followed by a weight-volume displacement check (specific gravity) to ensure no base-metal core is present. This ensures you are buying 92.5% pure silver throughout the entire 137.9g mass.
4. Why is copper added to the 925 alloy?
Pure silver (999) is too soft for a 137.9g chain; the links would pull apart under their own weight. The 7.5% copper creates a lattice structure that increases the hardness of the metal to approximately 75 on the Vickers scale, which is necessary for heavy-duty daily wear.
Mechanical & Structural FAQ
5. How does the 13.5mm width affect link wear?
A wider link (13.5mm) increases the "bearing surface" where one link meets the next. By spreading the 137.9g weight over a larger contact area, the mechanical friction is reduced, which prevents the links from "sawing" through each other over decades of use.
6. What security features does the clasp have?
The clasp on this heavy piece is engineered with a high-tensile internal spring. We subject the clasp to a stress test to ensure it does not "gape" under the weight of the chain. All terminal jump rings are soldered with high-temperature silver solder for maximum security.
7. Can this chain be used with a heavy pendant?
Yes, though it is already a statement piece on its own. The tensile strength of a 137.9g silver chain is capable of supporting a new gold pendant or large silver fob weighing up to 100g without any risk of structural failure.
8. Does the 2.7mm depth prevent kinking?
Absolutely. Thin, flat chains (like herringbone) kink easily. At 2.7mm thickness, these links have a "low aspect ratio" that provides excellent lateral stability, ensuring the chain drapes smoothly without twisting or catching on clothing.
Condition & Restoration FAQ
9. What is "Second Hand" restoration at H.E. Phillips Ltd?
Unlike general sellers, we put every pre-loved item through an ultrasonic bath to remove micro-particulates, followed by a professional hand-buffing process. This restores the mirror-like "specular reflection" to the 925 silver while preserving the vintage character of the piece.
10. Will this chain tarnish differently because it's vintage?
Silver (925) reacts to sulfur in the air regardless of age. However, because this is a high-mass 137.9g chain, the tarnish is purely a surface phenomenon. A simple polish with a silver cloth will restore the shine without affecting the weight or purity.
11. How should I clean a 137.9g chain at home?
We recommend a dual-action silver cloth. Avoid chemical "dips" which can be aggressive. For a chain this wide (13.5mm), a cloth allows you to apply consistent pressure across the flat surfaces, maintaining a uniform luster without damaging the soldered joints.
12. Is the chain safe for sensitive skin?
Yes. 925 Sterling Silver is generally considered hypoallergenic. We verify that our vintage stock does not contain nickel alloys, which were sometimes used in lower-quality imported jewelry but are avoided in high-grade UK hallmarked sterling silver.
Acquisition & Investment FAQ
13. Does a 137.9g silver chain hold its value?
Pre-owned silver is a "dual-value" asset. It carries a "melt value" based on the 137.9g silver content and a "numismatic/jewelry value" based on its vintage design. Because it is pre-loved, you avoid the high "VAT and markup" hit of buying brand new.
14. Why buy from a physical store in Totnes?
Buying a 137.9g asset online carries risk. At our Fore Street store (est. 2000), you can physically weigh the item on our trade-certified scales. We provide a brick-and-mortar guarantee that digital-only sellers cannot match.
15. Is a hallmark better than just a "925" stamp?
Yes. A "925" stamp can be applied by anyone. A UK hallmark is an independent verification by an Assay Office. For an item of this significant weight (137.9g), a full hallmark is your primary legal protection and proof of quality.
16. What is the return policy for SKU 2H925-483?
We offer a full refund policy in the event of any misdescription. If the weight, purity, or length does not match our technical analysis exactly, we provide a transparent return process to ensure your peace of mind.
Style & Coordination FAQ
17. Is 18 inches a unisex length for a heavy chain?
Yes, 18 inches is a highly versatile length. On most men, it sits at the base of the neck (choker style), while on women, it generally hangs slightly lower on the collarbone. Given the 13.5mm width, it functions as a powerful statement piece for any wardrobe.
18. Can I pair this with a silver bracelet?
Coordinating high-mass silver creates a cohesive aesthetic. We recommend looking at our second-hand silver bangles or bracelets to match the heavy-gauge 925 silver luster of this chain.
19. How does this chain look with a watch?
Silver pairs perfectly with stainless steel. This chain would complement a professional timepiece from our Casio or Citizen Eco-Drive collections, particularly those with larger case diameters to match the chain's 13.5mm width.
20. Can I trade in my old silver for this chain?
Yes. We offer a sell gold or sell silver service. You can bring your unwanted or broken jewelry to our Totnes hub to be appraised against the value of this 137.9g vintage asset.
© 2026 H.E. Phillips Ltd - Your Official Authorised Fine Jewellery Specialist. All Technical Data verified for forensic accuracy.
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