From a full mechanical overhaul to a stone re-set or a polish that brings back the showroom shine — Treasure Box's master craftsmen handle every service with the same attention your piece deserves.
From a simple battery replacement to a full mechanical overhaul — our certified watchmakers work on all major luxury brands, treating every piece with workshop-level precision and care.
Complete disassembly, ultrasonic cleaning of all components, replacement of worn parts, lubrication, and full regulation. Your movement is returned to factory specification.
We test all seals, gaskets, and case pressure to the manufacturer's stated water resistance rating — essential after battery changes or case openings.
Professional refinishing of stainless steel, gold, and titanium cases and bracelets. Brushed and polished surfaces restored to their original finish — no metal removed unnecessarily.
Careful restoration of faded, damaged, or luminous dials and hands. We work with specialist restorers to bring aging components back to their original beauty.
Quartz battery replacement using only manufacturer-grade cells, with full resealing, pressure testing, and performance check. We never use cheap aftermarket batteries.
A full range of genuine leather, rubber, and metal options. We source OEM straps for all major brands, and can also fit bespoke straps crafted by our specialist makers.
Whether it's a family heirloom that needs careful restoration or a modern piece that's lost its sparkle — our jewellery specialists work across all metals, stones, and settings to bring your jewellery back to its best.
Ultrasonic and steam cleaning removes all build-up from settings and surfaces. Hand-polishing restores metal lustre without thinning. Your piece leaves looking brand new.
Loose prongs? Missing pavé stones? We re-set all stone types — diamonds, sapphires, emeralds, rubies — in claw, bezel, channel, and pavé settings using specialist tools and loupe inspection.
We resize rings up or down using seamless methods that preserve setting integrity and hallmarks. Available in gold, platinum, silver, and palladium. Same-day for simple bands.
Broken links, faulty clasps, and soldering repairs on all chain styles — curb, rope, Figaro, box, and more. We work in yellow, white, and rose gold, platinum, and sterling silver.
White gold naturally yellows over time. We re-plate with rhodium to restore its bright white finish — giving white gold and silver pieces a fresh, lasting brilliance.
Antique and vintage pieces restored with sensitivity to their history. Structural repairs, stone replacement, engraving restoration, and light conservation work — handled with museum-level care.
Simple, transparent, and completely stress-free from drop-off to collection.
Drop in to our Hatton Garden showroom in person, or send your piece via our fully insured postal service. We'll confirm receipt and secure storage immediately.
Our specialists assess your piece thoroughly — no charge, no commitment. We report exactly what needs doing, what we recommend, and the cost before any work begins.
We send you a written quote. You decide exactly what work to proceed with — nothing is done without your explicit approval. You can also decline and collect your piece at no cost.
Our craftsmen carry out the agreed service with full documentation. For complex jobs we send progress updates so you always know where your piece is.
Every piece passes a final inspection before collection. We provide a full service report and, where applicable, a 12-month warranty on all work carried out.
We work exclusively with certified watchmakers and qualified jewellery craftsmen — no generalists, no shortcuts. Every specialist has years of brand-specific experience.
Your piece is covered from the moment it arrives at our showroom or our insured courier collects it. You have complete peace of mind throughout the entire process.
We use only manufacturer-grade or OEM-equivalent parts. No imitation components. Your piece maintains both its value and its integrity after every service.
All work carried out by Treasure Box is guaranteed for 12 months from completion. If the same fault recurs, we fix it — at no cost to you.
No hidden fees. No surprise charges. You receive a written quote before any work begins, and the final price never exceeds what was agreed — ever.
"Sent in my Submariner for a full service after buying it second-hand. The difference is night and day — runs perfectly and looks showroom fresh. Service was fast and they kept me updated throughout."
"My grandmother's engagement ring had a very loose stone and was badly tarnished. Treasure Box restored it beautifully — the stone is secure, the gold is bright, and they matched the original setting perfectly. Emotional experience, thank you."
"Brought in three watches for servicing — an AP, an IWC, and a vintage Omega. Every single one came back in exceptional condition. Honest quotes, fair pricing, no pressure. These are the people to trust with your collection."
Tell us about your piece. We'll assess it for free and send you a detailed written quote before any work begins — no commitment, no pressure.
Prefer to speak to someone first?
Thank you — a member of our servicing team will be in touch within one business day with your free diagnostic assessment options.
Submit Another EnquiryCosts vary significantly depending on the brand, movement complexity, and work required. A basic battery change starts from around £25. A full mechanical overhaul on a luxury timepiece can range from £300 to £800+. We always provide a free written quote before any work starts — you'll never be surprised.
We offer a fully insured postal service with step-by-step instructions once your enquiry is confirmed. Items are covered from the moment our courier collects them. Alternatively, you can drop off in person at our Hatton Garden showroom Monday–Saturday.
Yes — the majority of pieces we service are out of manufacturer warranty. This doesn't affect the quality of our work. We use manufacturer-grade or OEM-equivalent parts and apply the same standards regardless of warranty status. Independent servicing of an out-of-warranty watch does not void any future manufacturer coverage.
Simple services like battery replacements and polishes can often be completed same-day. Most jewellery repairs take 1–7 days. Full watch overhauls typically require 3–6 weeks. We'll give you an accurate timeline in your quote and keep you updated throughout.
A properly documented service from a reputable specialist can positively affect resale value — it shows the watch has been maintained. We provide a full service record for every job. We also advise against heavy case polishing on watches where an original aged finish is part of the collector appeal.
In most cases, yes. We have established relationships with specialist parts suppliers for vintage and discontinued references. Where original parts aren't available, we'll advise you honestly on the best alternatives before proceeding.
Book your free diagnostic today — no commitment, no cost, no pressure. Just honest expert advice from people who genuinely care about fine timepieces and jewellery.