Oracle Time x Isotope Mercury Vitreous
Tax included only within the UK
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Oracle Time x Isotope
Mercury Vitreous Orange and Green
Watch news platform Oracle Time and British watchmaker Isotope proudly announce the launch of the Oracle Time x Isotope Mercury Vitreous Green and Orange – two highly limited timepieces showcasing the striking beauty and complexity of vitreous enamel dials in radically different tones.
Over the past two years, Isotope has demonstrated a commitment to bringing Métiers d’Art to a more accessible price point, with techniques as varied as marquetry and cloisonné enamel. This latest collaboration takes that vision a step further with vitreous enamel dials given a colourful twist, offering exceptional craftsmanship without compromise on aesthetics or integrity.
The Dials
Enamel has a storied history spanning millennia: first developed in ancient Egypt, refined in China with exquisite cloisonné techniques, and perfected in Europe. By the late 17th century, Geneva watchmakers were applying enamel to dials, combining centuries of decorative artistry with Swiss precision. The Mercury Vitreous series continues this legacy, showcasing Grand Feu enamel dials that highlight both traditional craftsmanship and contemporary design.
While vitreous enamel is not new to British watchmaking, the Mercury Vitreous series introduces a textured silver leaf base beneath translucent enamel layers. Each dial is painstakingly built up, layer by layer, fired at extremely high temperatures to achieve unmatched depth and vibrancy. The process is demanding and highly risky – even the slightest imperfection renders a dial unusable – but the results are undeniably breathtaking.
These Grand Feu Enamel dials are housed in the compact 38mm Mercury case, tailored to complement each dial tone in two distinct executions:
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Vitreous Orange – a molten, volcanic hue framed by a matte black DLC-coated steel case with a matching black FKM rubber strap.
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Vitreous Green – a bright spearmint tone paired with a fully bead-blasted stainless-steel case and soft grey FKM strap.
Both versions feature a clean, minimalist dial free from numerals or distractions, allowing the enamel to speak for itself. Each watch is fitted with a domed sapphire crystal with anti-reflective coating, an exhibition caseback, and the custom-engraved I-7 calibre – Isotope’s regulated interpretation of the hand-wound ETA Peseux 7001.
Each version is strictly limited to 25 numbered pieces, making them true collector’s items.
Early Access & OT Club Membership Benefits
The Oracle Time x Isotope Mercury Vitreous Green and Orange will be available for pre-order starting September 15, 2025, at 4:00 pm UK (15:00 GMT / 11:00 am EST / 8:00 am PST), with exclusive early access for Oracle Time members three days before the public release.
The watches, already in production, will begin shipping in January 2026.
Isotope customers can enjoy a limited-time 50% discount on OT Club membership by entering the code ISOTOPE50 at checkout. Alongside early access to pre-order this launch, OT Club Members also enjoy a host of membership benefits.
To become an OT Club Member and secure priority access, visit: Oracle Time Membership
Technical Specifications
Limited Edition: 25 pieces per version, individually numbered
Case
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Orange: Sandblasted stainless steel, matte black DLC-coated
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Green: Sandblasted stainless steel
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Dimensions: 38mm diameter × 10mm thickness / 44.5mm with lugs
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Caseback: Screw-down sapphire exhibition crystal
Crystal
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Domed sapphire with anti-reflective coating
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Orange: Printed black Isotope logo
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Green: Printed white Isotope logo
Crown
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Push-down at 3 o’clock
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Orange: Sandblasted stainless steel, matte black DLC-coated, engraved with Lacrima logo
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Green: Sandblasted stainless steel, matte finish, engraved with Lacrima logo
Dial
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Grand Feu vitreous enamel on sterling silver
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Orange Lava / Spearmint Green
Hands
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Orange: Custom Mercury Leaf, matte black PVD-coated
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Green: Custom Mercury Leaf, matte sandblasted
Strap & Buckle
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20mm quick-release CTS FKM rubber
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Orange: Black strap with signed, spring-loaded steel buckle, matte black PVD finish
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Green: Grey strap with signed, spring-loaded steel buckle, matte sandblasted finish
Movement
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Calibre I-7, Swiss Made
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Modified and regulated ETA Peseux 7001, mechanical hand-wound
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17 jewels
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Bespoke bridge with decorative finishing
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Power reserve: 42 hours
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Frequency: 21,600 BPH / 3 Hz
Water Resistance: 100m / 10 ATM
CUSTOMS & IMPORT TAX
Ordering from and outside the U.K.
If you’re not based in the U.K. you'll probably need to pay import tax/duty when buying a watch (or any product) from Isotope Watches and other U.K.-based brands
Brexit changed the rules and since the 1st of January 2021, this also includes all countries within the European Community.
Prices within the U.K.
For customers in the U.K., all watches/products are priced including 20% of U.K. VAT.
As an example, if our watch is priced at £1,000, U.K. customers will need to pay £1,200 (£1,000 + £200 (20% VAT)
Prices outside the U.K.
For customers based outside the U.K., all watches/products are priced excluding U.K. VAT.
Your IP address will determine the prices you see on our website, but if for any reason you see prices including U.K. VAT, the prices will be updated at checkout, depending on your shipping address.
Isotope Watches Limited will not charge VAT when exporting, but you will certainly be asked to pay import duty and/or tax/VAT by your customs country.
How to pay for import duty/tax
We ship most of our products/watches via DHL Express. As per customs request, DHL will calculate the duty and taxes and they will collect the payment on behalf of your country's customs.
Neither Isotope Watches Limited nor DHL has control or profit over these costs/taxes.
How much do I need to pay in duty/tax to receive my watch?
It depends on the country you are based in.
Please see the examples below based on a £1,000 watch. These values are only a reference as they vary depending on the watch cost, and they might not be updated.
Within the U.K.
20% tax (GBP 200), is included in the price.
0% duty (GBP 0.00) + 0% DHL's handling fee
European Comunity Countries
Approx. 15%-24% tax (GBP 150 – GBP 240)
0% duty (GBP 0.00) + DHL's handling fee
USA
10% tax (GBP 100)
0% duty (GBP 0.00) + DHL's handling fee
Japan
5% tax (GBP 100)
0% duty (GBP 0) + DHL's handling fee
Canada
5% tax (GBP 50)
8% duty (GBP 80) + DHL's handling fee
China
13% Tax (GBP 130)
20% Duty (GBP 200) + DHL's handling fee
Australia
10% tax (GBP 100)
5% duty (GBP 50) + DHL's handling fee
South Africa
15% Tax (GBP 150)
0% Duty (GBP 0) + DHL's handling fee
United Arab Emirates
5% tax (GBP 50)
5% duty (GBP 50) + DHL's handling fee
If you have any questions, please don't hesitate to email us: info@isotopewatches.com
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