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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11The 1776 Atelier Mount Vernon Meteorite is a hand-wound, 40.5 mm steel watch built around a distinctive Muonionalusta meteorite dial and the maker’s HP917 movement. Its appeal is specific: unusual natural dial material, traditional Breguet-style details, and U.S.-based finishing and assembly as described by the maker. The trade-offs are a relatively substantial 49 mm lug-to-lug span, limited water-use guidance, and uncertain current availability: the product page displayed “Fully Allocated” and a closed interest list when accessed in 2026.
What is the 1776 Atelier Mount Vernon Meteorite?
Mount Vernon is a collection name; this review concerns the Meteorite reference, not the separately documented Aventurine edition. The Meteorite’s dial combines a guilloché-pattern center, applied polished Breguet numerals, and raised chapter rings with a surface cut from Muonionalusta iron-nickel meteorite. The maker says each dial section differs because of the material’s natural Widmanstätten pattern. It assigns the meteorite an age of approximately 4.56 billion years; that is the maker’s published claim, not an independently verified measurement.
The dial is described as a 15-piece construction, set over a hand-wound 1776 Atelier HP917 movement. The brand says movement components are hand-finished and engraved. Those are published product specifications and craft descriptions, not independently tested performance findings.
Specifications
| Specification | Mount Vernon Meteorite |
|---|---|
| Case | 316L stainless steel; 40.5 mm diameter |
| Thickness | 10.2 mm, or 11.8 mm including the domed sapphire crystal |
| Lug-to-lug | 49 mm |
| Lug spacing | 20 mm |
| Crystal | Domed sapphire with double anti-reflective coating |
| Caseback | Flat sapphire with anti-reflective coating |
| Water resistance | Product page says tested to 5 bars; the maker’s FAQ describes its general rating as 5 ATM / 50 m and limits recommended use |
| Movement | 1776 Atelier HP917, hand-wound; 17 jewels; 21,600 vph (3 Hz) |
| Power reserve | 48 hours, as specified by the maker |
| Dial | 15-piece dial; guilloché-pattern center; applied polished Breguet numerals; raised chapter rings; Muonionalusta meteorite surface |
| Displayed price and status | “Total as Specified $4,500.00”; “Fully Allocated,” with the interest list closed when the maker page was accessed in 2026 |
How the design and fit come together
A meteorite dial with traditional accents
The Meteorite version pairs an irregular, naturally patterned material with formal dial furniture: polished Breguet numerals and raised chapter rings. That contrast is the watch’s defining visual idea. The maker describes the meteorite as Muonionalusta iron-nickel and says the pattern varies between dial sections, so the surface is not presented as a uniform printed texture.
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- This is a precision panoramic large aperture moon phase automatic mechanical watch crafted from rare natural meteorite, designed by Swiss chief designer Etienne Ruffieux, inspired by the sun, moon, and stars. The intricately carved luminous moon changes once daily, fully showcasing the entire cycle of nature's waxing and waning phases. The watch has been honored with the Chicago Design Award for its outstanding original design.
- In-house CAL.A4610 automatic mechanical movement, bidirectional automatic winding system, 28,880 vibrations per hour, 27 ruby bearings. Exquisite perlage and geneva stripes finishing, edge chamfering process, white gold plating, and engraved gold-plated brand logo. Enhanced power reserve technology delivers an extended 80-hour power reserve (twice that of standard mechanical movements). It enables more even and gradual release of the mainspring, resulting in more precise and stable timekeeping.
- The moon phase disc in Agelocer's in-house CAL.A4610 automatic mechanical movement features a precision 31-tooth structure. It advances one segment every 22.846 hours, completing a full cycle every 29.51 days to achieve a 708.23-hour lunar cycle. (Conventional moon phase discs use a 59-tooth gear, advancing one notch every 24 hours to complete a full cycle in 29.5 days, resulting in a 708-hour lunar cycle.)
- The astronomical lunar cycle is 29.53 days (708.72 hours), meaning conventional moon phases accumulate a one-day error every 2.7 years. The Agelocer moon phase watch accumulates one day of error every 4.1 years, offering greater precision than traditional 59-tooth moon phase mechanisms.
- The dial is crafted from ultra-rare Muonionalusta iron meteorite slices, discovered in Lapland, Sweden in 1906. The unique Widmanstätten pattern of meteorite iron is a natural texture formed by the slow cooling and crystallization of iron-nickel crystals in space over millions of years.
Case dimensions to consider
The 40.5 mm diameter is only part of the fit picture. At 49 mm lug-to-lug, the watch has a longer footprint than its diameter alone suggests; checking that span against a watch you already wear is useful if you have a smaller wrist or prefer compact cases. The listed height is 10.2 mm, rising to 11.8 mm including the domed crystal. The 20 mm lug spacing gives a standard measurement to use when considering replacement straps, but the product information does not establish compatibility with every 20 mm strap or attachment hardware.
Movement and performance: what the specifications do and do not establish
The HP917 is specified as a manual-winding movement with a 48-hour reserve, 17 jewels, and a 3 Hz beat rate (21,600 vibrations per hour). The maker also describes its components as hand-finished and engraved. These details explain the movement’s stated configuration and presentation; the published information does not establish an independently measured accuracy rate, test result, or real-world power-reserve performance.
Rank #2
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- Japanese Quartz Precision with Durable Build – At the heart of this watch lies a reliable Japanese quartz movement that keeps you on time, every time. The high-hardness mineral glass and robust stainless steel case protect against the bumps and scrapes of daily life, while the minimalist dial design ensures effortless readability at any angle. It is precision engineering that simply works—day in, day out.
- Built for Real-Life Moments – With 50M water resistance, it handles hand washing, rain, and accidental splashes with ease. Plus, the hands and hour markers glow in the dark after absorbing natural or indoor light, so you can check the time at a glance during evening drives, movie nights, or late-night strolls—practical and reliable when you need it most
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How the Meteorite differs from the Aventurine Mount Vernon
The Aventurine is a separate reference, so its specifications and availability should not be transferred to the Meteorite. GPHG lists the Aventurine with an aventurine dial and guilloché center, while 1776 Atelier’s Meteorite page describes a Muonionalusta surface and additional raised dial elements. The published dimensions, price currencies, and availability information also differ by reference and source.
| Detail | Mount Vernon Meteorite | Mount Vernon Aventurine |
|---|---|---|
| Dial material and description | Muonionalusta meteorite surface; 15-piece dial with guilloché-pattern center, applied polished Breguet numerals, and raised chapter rings (1776 Atelier product page) | Aventurine dial with guilloché center (GPHG listing) |
| Case thickness | 10.2 mm; 11.8 mm including domed sapphire crystal (1776 Atelier product page) | 11.6 mm (GPHG listing) |
| Price | $4,500 “Total as Specified” displayed on the maker’s page when accessed in 2026; current price may differ | 2,950 CHF including VAT in the GPHG listing accessed in 2026 |
| Production information | Product page reported “Fully Allocated”; no limited-series count is stated there | 15-piece limited series, according to GPHG |
| Current availability | Maker page showed the interest list closed when accessed in 2026; verify directly with 1776 Atelier | Current availability is not stated in the GPHG listing |
| Other listed details | 40.5 mm diameter; 49 mm lug-to-lug; 48-hour hand-wound movement; maker page says tested to 5 bars | 40.5 mm by 11.6 mm; 48-hour manual-winding movement; 50 m water resistance; June 2025 launch (GPHG listing) |
Water resistance and everyday ownership
Keep water exposure modest
The maker’s FAQ describes 5 ATM / 50 m as suitable for mild exposure such as hand washing and brief rain, but says it does not recommend or warrant water sports or prolonged submersion. The product page separately says the Meteorite watch is tested to 5 bars. Treat the rating as a limit, not an invitation to swim with the watch.
Rank #3
- MULTI-FUNCTIONAL CHRONOGRAPH: This is a functional watch that driving and speed lovers can dream of. The dial adopts a classic inverted triangle design and consists of three sub-dials, 24 hours, 60 minutes and 60 seconds. The timing button on the top right is (Start/Pause) and the timing button on the bottom right is (Reset to zero). There is a calendar window between 4 and 5 o'clock, with a tachymeter on the outer ring.
- Quartz movement: High quality movement is the core soul of the watch. VK63 movement imported from Japan is used. Accurate time keeping makes you not worry about the time error at all. Please keep the watch away from the strong magnetic field area when you take it off to avoid the error. life is more than two years, regular maintenance can extend the life of the watch.
- Sturdy and durable: IP plated 316 stainless steel is hard-wearing and rough and durable. The surface is ground and polished to an extraordinary luster. The soft and comfortable strap fits the wrist perfectly, and the strap can be freely attached and detached through multiple links according to the size of the wrist. The unilateral safety folding buckle is very stable and not easy to fall off. The crown shoulder guard design protects the crown from external forces.
- Daily waterproof: 100 meters waterproof, can easily deal with emergencies, such as resistance to a small amount of hand washing, face splashes and rain, car washing, etc. But it should not be immersed in water or worn in a sauna or shower in a high temperature environment. Large temperature changes cause the shell to expand and contract internally. Shrinkage can create gaps in the rubber ring, allowing water vapor intrusion.
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Care, servicing, and warranty terms
- The maker recommends keeping leather straps dry. For necessary cleaning, its FAQ suggests mild soap and a small amount of water.
- Wind gently and avoid shocks or drops, in line with the maker’s care guidance.
- The FAQ recommends mechanical-watch servicing every 3–5 years. It says service during the warranty period must be performed by 1776 Atelier or an authorized repair center to preserve warranty coverage.
- The maker says most collections have a two-year warranty, while certain collections featuring antique movements have one-year coverage. Confirm the terms that apply to this specific watch before ordering.
- The FAQ says the brand does not offer returns because its watches are semi-bespoke and tailored to buyers. Confirm the applicable purchase terms directly before committing.
What the maker says about U.S. production
1776 Atelier says its watches are hand-finished, manufactured, built, and assembled in the United States, while acknowledging that some components are sourced globally when needed. The maker also says most component content is U.S.-made. It explains that it does not label its watches “Made in the USA” because it considers the FTC standard to require 100% American content. These are the brand’s own descriptions, not an independent manufacturing audit.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Price and availability
When the 1776 Atelier Meteorite product page was accessed in 2026, it displayed “Total as Specified $4,500.00,” marked the watch “Fully Allocated,” and showed the interest list closed for the present. That captured status may change; contact the maker to confirm whether orders or an interest list are open and to verify the current price and terms.
Quick Recap
Best Value
- 100% New，Watch replacement dial.
- Stunning meteorite dial with a unique blue luminous finish for a striking look.
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- Durable construction ensures long-lasting performance and resistance to wear and tear.
- Perfect for watch enthusiasts looking to customize or upgrade their timepieces.
Rank #4
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
