Diatom Mercury Limited Edition Watch

The Diatom Mercury Limited Edition Watch pays tribute to the smallest planet in our Solar System and the pioneering space missions that helped establish humanity's ability to travel beyond Earth. Limited to just 450 pieces worldwide, this exceptional 39.5mm Swiss automatic watch forms part of the Diatom Inner Worlds collection, featuring an intricately textured enamel dial inspired by Mercury's distinctive planetary surface. Powered by the Swiss ETA 2892-A2 automatic movement with a 42-hour power reserve, the Diatom Mercury combines contemporary watchmaking with authentic space exploration history, creating an extraordinary luxury timepiece for collectors who appreciate precision engineering and celestial design.

The distinctive enamel dial captures the character of Mercury, a world defined by its ancient cratered landscape and remarkable geological history. Diatom translates the planet's unique textures into a carefully engineered dial, using precision embossing and multiple fine enamel coatings to create depth and intricate surface detail. The manufacturing process involves shaping and machining the dial before introducing its distinctive relief, allowing the finished surface to reflect the appearance of the planet that inspired it. This sophisticated approach to dial construction gives the Diatom Mercury a compelling visual identity, combining traditional watchmaking craftsmanship with the extraordinary imagery associated with planetary exploration.

A particularly remarkable feature of the Diatom Mercury is the incorporation of genuine material from the Liberty Bell 7 spacecraft within its automatic movement rotor. Liberty Bell 7 formed part of NASA's pioneering Mercury programme, which established the foundations of American human spaceflight and helped pave the way for the later Gemini and Apollo missions. This authentic spacecraft material provides a tangible connection to one of the most important periods in the history of space exploration. Every Diatom Mercury is also launched to more than 120,000 feet above Earth's surface, with high-definition onboard cameras recording the watch against the curvature of the planet and the darkness of space.

The watch features a refined 39.5mm case manufactured from 316L stainless steel, combining contemporary styling with practical everyday durability. Its slim 9.35mm profile and 48mm lug-to-lug measurement create balanced proportions, while a double-domed sapphire crystal with anti-reflective coating provides excellent clarity and scratch resistance. Water resistant to 100 metres, the watch is presented on a matching stainless steel bracelet for a sophisticated integrated appearance. The Swiss ETA 2892-A2 automatic mechanical movement provides dependable timekeeping and a 42-hour power reserve, with Diatom subjecting its movements to testing both on Earth and during their high-altitude journeys.

The Diatom Mercury Limited Edition Watch is an outstanding choice for enthusiasts searching for a Diatom Mercury watch, Swiss automatic enamel dial watch, limited edition space watch, Liberty Bell 7 watch, Mercury programme-inspired watch or luxury stainless steel mechanical timepiece. Combining an intricate planetary dial, genuine historic spacecraft material, a Swiss ETA automatic movement and an extraordinary journey above Earth's atmosphere, this remarkable watch celebrates the engineering achievements that transformed human spaceflight. With only 450 examples available worldwide, the Diatom Mercury offers collectors a distinctive connection to the history of NASA's pioneering missions and the wider exploration of our Solar System.

Extended Christmas Returns

In addition to our 30 day returns policy, all items purchased from 1st October 2026 can now be returned until 8th January 2027. Standard terms below apply.

Free UK Next Day Delivery
We offer free UK next day delivery on all in-stock orders over �75.

- Order before 4pm (Mon-Fri) for same day dispatch
- Delivery typically arrives next working day before 1pm
- Fully insured, tracked and signed-for service
- Priority delivery upgrades available at checkout

Worldwide Shipping
We ship worldwide using trusted, fully tracked and insured courier services.

- Shipping costs calculated at checkout
- Fast international delivery options available
- Secure and insured transit on all orders
- Local duties and taxes may apply upon arrival

30 Day Returns
Shop with confidence with our 30-day returns policy on most items.

- Return or exchange within 30 days of delivery
- Items must be unworn and in original condition
- Includes all packaging, documentation and accessories
- Sale, pre-owned or promotional items may be subject to a 14-day return period

Important Information

- Bespoke, personalised or resized items are non-returnable
- Altered watch bracelets are considered customised
- Returns should be sent via insured, tracked delivery

Spread the cost with a range of trusted payment providers, designed to give you flexibility and complete control.

Shop Pay Instalments

- Split your purchase into 3, 6 or 12 monthly payments
- Know exactly what you'll pay
- Quick application with no impact to your credit score
- Simple selection at checkout

Offered in partnership with Affirm and subject to status and approval.

PayPal Pay in 3

- Divide your purchase into 3 interest free payments
- Pay the first instalment today
- Remaining payments taken automatically
- No fees when paid on time

Available on purchases between ?20 and ?3,000. Subject to eligibility.

Klarna

- Pay in full today
- Pay in 30 days
- Pay in 3 interest free instalments
- Longer-term finance options available

Klarna options are subject to status. Terms and conditions apply.

Important Information

Payment options are subject to eligibility, status and terms. Missed payments may impact your financial status. UK residents only, 18+.