The Argon SpaceOne pairs a spacecraft-inspired case with a mechanical jumping-hour display: its hour disc snaps forward once each hour while the minute and seconds discs keep moving. The watch was introduced through a four-week Kickstarter campaign in 2023; that campaign is historical, and the original models listed on SpaceOne’s current collection page are marked sold out.
How the SpaceOne’s jumping hour works
Rather than a conventional dial with hands, the SpaceOne uses three concentric discs to show the time. The seconds appear at the center, the hours on the middle disc, and the minutes around the outer edge. The seconds and minutes progress continuously; the hour display makes a discrete jump at the change of each hour.
That jump is created by an added nine-part module developed by independent watchmaker Théo Auffret for the Soprod P024 base movement, according to Monochrome’s 11 May 2023 launch report and SpaceOne’s brand description. The result is a distinctive way to read the time, not simply a standard watch movement placed in an unusual case.
Why it looks like a spacecraft
The case’s curved sapphire viewing area and side display give the SpaceOne its cockpit-like appearance. Monochrome’s launch account also describes a lateral crown and a titanium caseback with a see-through window. SpaceOne says the design takes inspiration from space-age forms.
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The project brought together two different watchmaking backgrounds: Auffret, an independent watchmaker, and watch entrepreneur Guillaume Laidet. Both the launch report and the brand identify them as collaborators behind the watch.
SpaceOne specifications
| Specification | Published detail |
|---|---|
| Case dimensions | 42 × 51.67 mm; 12.6 mm thick, according to SpaceOne’s brand page. |
| Strap width | 22 mm, according to the brand page. The specifications page lists the FKM rubber strap as 22 × 18 mm. |
| Movement | Self-winding Soprod P024 without date, with a nine-part jumping-hour module, according to the brand and its specifications page. |
| Frequency and power reserve | 28,800 vibrations per hour (4 Hz) and a 38-hour power reserve, per the current official specifications. |
| Water resistance | The current official specifications state 3 ATM. Monochrome’s 2023 launch report stated 50 m; these published figures conflict, and neither should be treated as an independent test result. |
| Original case materials | Stainless steel, titanium, and forged carbon, as described by SpaceOne and Monochrome. |
The case is 42 mm across and 51.67 mm from lug to lug. Those figures describe a broad case with a shorter-than-width lug-to-lug measurement, but they do not establish how it will fit a particular wrist. A try-on is the reliable way to judge fit.
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SpaceOne says its components are manufactured in Switzerland and assembly takes place in France. These are claims made by the brand.
Original variants and Kickstarter prices
Monochrome reported the following terms for the campaign that launched in May 2023. They are historical launch details, not current prices or delivery promises.
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| Variant | Reported launch price | Reported edition or finish detail |
|---|---|---|
| Steel | €1,500 | Polished and brushed steel versions were described in the launch coverage. |
| Titanium | €1,900 | Blue-coated titanium was described; brushed titanium was reported as limited to 100 pieces. |
| Forged carbon | €1,900 | Reported as limited to 100 pieces. |
The launch report estimated delivery for December 2023. That was an estimate published during the Kickstarter campaign, not a current delivery date or guarantee.
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SpaceOne’s collection page, checked on 8 October 2026, marks its listed original brushed and polished stainless-steel Jumping Hour models sold out: view the current collection. That storefront status does not establish whether a watch is available secondhand, through another seller, or after a future restock. The Kickstarter offer itself should not be treated as open.
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What to check before buying one
- Confirm the exact variant. The original range included steel, titanium, and forged carbon, with differences in finish and reported edition limits.
- Check fit using the dimensions. The published case is 42 × 51.67 mm and 12.6 mm thick; wrist fit cannot be inferred from those numbers alone.
- Read the water-resistance specification carefully. The current official figure is 3 ATM, while the 2023 launch article said 50 m. The published claims do not match, so avoid assuming the higher historical figure is the current rating.
- Verify condition and terms for a resale purchase. The campaign price and estimated delivery date describe the original 2023 offer, not a resale value, warranty, or present-day seller commitment.
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.




