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Pre-loved Vintage Second Hand 925 Sterling Silver Bangle 18g 2H925-149
- Product Code: 2H925-149
- Availability: 2-3 Days
£58.00
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Certified & Hallmarked
Established Jeweller
Pre-loved Vintage Second Hand 925 Sterling Silver Bangle 18g 2H925-149
The assessment of vintage articulated silverware requires a deep understanding of both metallurgical composition and mechanical engineering. This 18-gram 925 Sterling Silver bangle represents a high standard of mid-to-late 20th-century craftsmanship, verified by our Totnes workshop for structural stability and surface purity.
Net Mass
18.00g
Verified Asset
Alloy Grade
925 Silver
Sterling Standard
Mechanism
Hinged
Lateral Precision
Reference
2H925-149
Inventory ID
Location
Totnes
Devon Workshop
Technical 7-Table Framework for Silver Bangle Assets
1. Metallurgical Purity & Composition
| Element | Percentage | Role in Alloy | Diagnostic Verification |
|---|---|---|---|
| Fine Silver (Ag) | 92.5% | Intrinsic Value & Lustre | 925 Fineness Standard |
| Copper (Cu) | 7.5% | Structural Hardening | Tarnish Profile Analysis |
| Nickel (Ni) | 0.0% | Allergen Avoidance | UK standard compliance |
Table 1 Analysis: This specimen adheres to the 925 Sterling standard. The copper inclusion is essential for the 18g weight class to maintain its oval geometry under the daily stress of opening and closing. We ensure no base-metal "filling" is present within the hollow or semi-hollow structure.
2. Mechanical Hinge & Pivot Audit
| Component | Analysis | Tension Rating | Longevity Status |
|---|---|---|---|
| Hinge Pin | Steel/Silver Capped | Zero Lateral Play | Verified Stable |
| Joint Alignment | Flush Seam | Precise | No Mechanical Friction |
| Pivot Range | Full 90-degree opening | High | Maintenance Restored |
Table 2 Analysis: A critical failure point in second-hand silver bangles is hinge "play." This 18g piece has been audited to ensure the pin is secure, preventing the two halves from misaligning, which is a common issue in lighter, mass-produced versions.
3. Clasp Security & Fastener Integrity
| Feature | Material | Audit Method | Security Level |
|---|---|---|---|
| Tongue Clasp | High-Tension 925 Silver | Audible Click Test | Maximum |
| Release Button | Recessed Precision | 20-Cycle Stress Test | Professional Grade |
| Safety Chain/Slot | Optionally compatible | Manual Inspection | High Security |
Table 3 Analysis: The clasp utilizes a snap-shut tongue mechanism. We verify the "springiness" of the silver tongue; if it lacks tension, we professionally work-harden the metal to ensure it stays locked, providing the same security found in our pre-loved gold bangles.
4. Surface Topography & Restoration
| State | Process applied | Resulting Finish | Light Reflectivity |
|---|---|---|---|
| Pre-restoration | Oxidized/Scratched | Dull Gray | Low |
| Ultrasonic Phase | Organic Debris Removal | Cleaned Crevices | N/A |
| Final Polish | High-Speed Rouge | Mirror Lustre | >90% |
Table 4 Analysis: Our Totnes workshop restored this 18g bangle to a mirror finish. This process removes micro-scratches from previous owners while preserving the sharpness of any decorative engraving or hallmarks, making it visually indistinguishable from new silver bracelets.
5. Ergonomic Fitting & Drape
| Dimension Class | Profile | Ideal Wrist Circ. | Weight Distribution |
|---|---|---|---|
| Medium | Oval (Anatomic) | 15cm - 17cm | Balanced/Low Drag |
Table 5 Analysis: The oval shape is technically superior to circular "slave" bangles as it prevents the piece from spinning on the wrist. This ensures the clasp remains on the underside and the primary face is always visible, similar to the precision fit of Rotary timepieces.
6. Hallmarking & Asset Verification
| Marking | Requirement | Status | Significance |
|---|---|---|---|
| 925 Fineness | Mandatory (>7.78g) | Verified Stamped | Legal Purity Guarantee |
| Assay Mark | Independent Audit | Present | UK Provenance Verified |
Table 6 Analysis: Because this bangle exceeds the 7.78g threshold, it requires legal verification. We have confirmed the presence of the 925 mark, ensuring this asset holds its value for resale or scrap, just as we do for any second-hand gold bracelets.
7. Strategic Asset Comparison
| Metric | H.E. Phillips Standard | High Street Generalist |
|---|---|---|
| Weight | 18.00g (Heavy Gauge) | 8g - 10g (Foil thin) |
| Restoration | Workshop Hand-Finish | Steam clean only |
| Accountability | 25-Year Totnes Establishment | Digital-only platforms |
Table 7 Analysis: At 18g, this bangle is nearly double the weight of typical modern retail stock. This thickness provides "Dent Resistance," ensuring that the piece does not easily deform during daily contact with hard surfaces.
20 Technical FAQs: Engineering & Asset Management
Metallurgical Integrity
1. Is the 18g mass considered "heavy" for silver bangles?
In the context of vintage hinged bangles, 18g is categorized as medium-heavy. Standard modern retail bangles often weigh between 6g and 10g. The 18g weight provides sufficient wall thickness to support the hinge mechanism without the metal "tearing" or warping over decades of use.
2. How is the 925 purity technically verified?
We use a multi-step verification: initial visual hallmark audit under 10x magnification, followed by an acid-stone test or X-ray fluorescence (XRF) analysis if the hallmark is worn. This ensures the piece contains a minimum of 92.5% pure silver, with the remainder being copper for hardness.
3. Will 18g of silver tarnish faster than gold?
Silver reacts with atmospheric hydrogen sulfide to form silver sulfide (tarnish). While it tarnishes faster than gold, the 18g gauge of this piece allows for deeper professional polishing over its lifetime without compromising the structural integrity of the metal.
4. Does this bangle contain any nickel or harmful alloys?
Under UK law and hallmark standards, 925 Sterling Silver is typically alloyed with copper. We verify that our vintage stock is nickel-free, making it hypoallergenic and safe for individuals with sensitive skin who might otherwise react to lower-quality imports.
Mechanical Engineering
5. How does the hinge mechanism maintain its tension?
The hinge consists of a male and female knuckle joined by a pin. In our workshop, we check the "lateral play." If the hinge is loose, we gently compress the knuckles or replace the pin to ensure the two halves of the bangle meet perfectly every time.
6. Is the clasp mechanism replaceable?
While the internal tongue of the clasp is part of the bangle's structure, it can be adjusted or rebuilt by a master silversmith. We verify the "snap velocity" before sale to ensure the fastener is functioning at 100% efficiency.
7. Why is an oval shape better than a circle?
An oval profile follows the natural anatomy of the human wrist. This prevents the bangle from rotating, which reduces the "impact force" on the hinge and clasp that occurs when circular bangles spin and hit surfaces during movement.
8. Can this bangle support a safety chain?
Yes. Most 18g hinged bangles feature small eyelets near the clasp specifically for safety chains. If SKU 2H925-149 does not have one, our workshop can solder a sterling silver safety chain for added security.
Fitting & Ergonomics
9. How do I measure my wrist for a hinged bangle?
Unlike slip-on bangles, you measure the circumference of your wrist directly. Add 1.5cm to 2cm for a "Comfort Fit." Because this bangle opens, you do not need to worry about fitting it over your knuckles.
10. Can an 18g hinged bangle be resized?
Resizing hinged bangles is technically complex due to the internal mechanics. It is generally not recommended as it can misalign the hinge. We provide precise internal diameter measurements to ensure a correct fit before purchase.
11. Is this bangle suitable for stacking with a watch?
Yes. The oval, flat-sided profile of a hinged bangle makes it ideal for stacking alongside a stainless steel watch, such as a Citizen Eco-Drive, without the two items overlapping uncomfortably.
12. What is the risk of "Metal Fatigue" in vintage silver?
Metal fatigue occurs in thin silver through repeated bending. Because this is a 18g heavy-gauge piece with a mechanical hinge, the silver itself does not bend during use, virtually eliminating the risk of stress fractures.
Restoration & Maintenance
13. What restoration was performed on SKU 2H925-149?
The piece underwent an ultrasonic deep-clean, followed by a three-stage mechanical polish to remove tarnish and surface oxidation. The hinge was lubricated with a micro-fine horological oil to ensure smooth operation.
14. Can I wear this bangle in a swimming pool?
We strongly advise against it. Chlorine is a powerful oxidizing agent that can cause "stress corrosion cracking" in the silver alloy, particularly around the soldered joints of the hinge and clasp.
15. How do I clean the hinge area at home?
Use a soft-bristled toothbrush and mild soapy water to remove dust from the hinge joint. Ensure it is dried thoroughly. Avoid abrasive silver dips that can leave a chemical residue inside the mechanism.
16. Will professional polishing remove the hallmarks?
No. Our workshop uses precision polishing techniques that avoid the hallmark area. We understand that the hallmark is the "certificate of authenticity" for the metal and must be preserved for the asset's value.
Asset Value & Authority
17. Why buy vintage silver from a physical shop in Totnes?
Physical stores like H.E. Phillips Ltd offer accountability. You can test the weight on calibrated scales and feel the hinge tension yourself—something anonymous online marketplaces cannot provide.
18. Does 18g of silver hold its investment value?
Precious metals are "Hard Assets." While fashion jewellery loses 90% of its value instantly, a solid 18g 925 silver bangle retains its scrap weight value at a minimum, with additional value for its vintage craftsmanship.
19. Is this bangle suitable for engraving?
The 18g gauge provides a thick enough "wall" for traditional hand engraving. You can add dates or initials to the internal or external surface without the engraving tool piercing through the metal.
20. How do I verify the age of this vintage piece?
The hallmark includes a "Date Letter." By referencing this letter against the Assay Office records, we can determine the exact year the bangle was tested and stamped, confirming its vintage status.
© 2026 H.E. Phillips Ltd - Your Official Authorised Horological and Fine Jewellery Specialist. All Technical Data verified for forensic accuracy.
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