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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallThe Halda Space Discovery is a specialist modular watch built around two interchangeable modules: a digital Space Module with mission-oriented functions and a high-beat automatic mechanical module. Halda says astronauts helped develop the Space Module and that it was tested aboard Discovery on mission STS-128 in 2009; that history is documented here through the manufacturer’s own account, not independent mission records. The concept is distinctive, but the full set is listed at €11,000 including VAT and currently marked out of stock on Halda’s site.
What is the Halda Space Discovery?
Halda presents the Space Discovery as the first expression of its modular timepiece concept. Its platform accepts two separate timekeeping modules: the electronic Space Module, designed around mission functions, and a conventional mechanical module. This is not simply a digital watch with a mechanical display; each module is a distinct watch head intended for a different use, and the system lets the owner switch between them.
The practical appeal is therefore specialization rather than one module doing everything. The Space Module prioritizes mission timing, logging, world-time information and acceleration measurement. The mechanical module offers analog timekeeping through an automatic movement. Both are substantial 45 mm watches, and Halda lists both at 10 atm water resistance.
What does the Space Module do?
Halda’s advertised feature set combines everyday digital timing with mission-specific tools. The manufacturer lists:
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- Two world times and a full calendar.
- A chronograph with split timing to 1/10 second, plus a 24-hour timer.
- UTC and mission-elapsed-time alarms, a configurable reveille alarm and a countdown function.
- An event log that can hold up to 99 events.
- Earth Time and world time-zone information.
- A three-axis G-force sensor.
- An automatic light sensor, LCD backlight and power-save mode.
Halda says the mission-time function begins measuring acceleration at a configured lift-off time, then displays mission elapsed time after acceleration ends. These are manufacturer-described capabilities; the available evidence does not independently establish performance under operational flight conditions.
Battery and display
The electronic movement is identified as HS 2009-1, software version SD-A. Halda lists a 600 mAh battery and estimates approximately two years of life under normal use with power-save mode enabled. That is a manufacturer estimate, not a guaranteed service interval or independently measured result.
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How does the mechanical module compare?
The mechanical module replaces the digital mission interface with an automatic high-beat movement. Halda identifies it as calibre H1920-SA, operating at 5 Hz, or 36,000 beats per hour, and gives it a stated 43-hour power reserve. The display back has a sapphire crystal, so the movement can be viewed through the case back.
| Specification | Space Module | Mechanical module |
|---|---|---|
| Movement | HS 2009-1 electronic movement; software version SD-A | H1920-SA automatic; 5 Hz / 36,000 beats per hour |
| Case diameter | 45 mm | 45 mm |
| Thickness | 17.5 mm | 16 mm |
| Case materials | TECAMAX case; stainless-steel case back | Stainless-steel case; sapphire display-back crystal |
| Power | 600 mAh battery; approximately two years estimated by Halda in normal use with power-save mode | 43-hour power reserve stated by Halda |
| Water resistance | 10 atm, as listed by Halda | 10 atm, as listed by Halda |
The shared diameter makes either module a large watch; the digital unit is 1.5 mm thicker according to Halda’s specifications. The 10 atm rating is the manufacturer’s stated figure, not a recommendation for every kind of water activity.
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- Classic Luxury Design: Combining the rugged style favored by Americans, the watch face is available in multiple colors (blue, gold, black, silver), and the stainless steel strap offers a premium feel, suitable for diverse scenarios such as casual leisure and business settings, showcasing individuality and taste.
- Practical Functionality: Featuring water resistance, a calendar, and night-light functionality, it aligns with Americans' love for sports and outdoor adventures, offering precision and practicality to meet both daily and special occasion needs.
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Was the Space Discovery tested in space?
Halda says the Space Module was developed in cooperation with astronauts and tested during NASA’s Discovery STS-128 mission in 2009. In a company announcement published on 18 February 2011, Halda named astronaut Christer Fuglesang, saying he contributed requirements and insights for space use and performed the final test aboard Discovery. The same announcement said the first delivered watch was number 002 in a limited run of 128.
Those details are Halda’s historical account. They support describing the watch as astronaut-informed and as manufacturer-reported to have been mission-tested; they do not, by themselves, establish independent certification as a spacecraft instrument or prove performance against a separately published test standard.
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Software history
In a 24 February 2012 announcement, Halda said astronaut feedback led it to adjust G-force filtering to screen quick movements and add “Mission Mode,” which kept the display active during missions. The company said at that time that owners could receive the update free. That is a dated update policy; present-day eligibility and update availability are not established.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why does Halda offer a Hesalite crystal for space use?
Halda lists domed sapphire for Earth use and domed Hesalite for space use on the Space Module. The company’s stated rationale is that sapphire can shatter and create a hazard in a spacecraft, while Hesalite addresses that concern. Halda says it would make the crystal change without charge before a space journey. Treat both the safety explanation and the service offer as Halda’s stated design rationale and policy; current terms have not been reconfirmed.
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- THE ONE & ONLY - The Module 4.1 is the solution to the dilemma, “How many winders?” One watch is never a problem, but once you have more, add another 4.1! The interlocking functionality allows you to join them together as your watch collection grows.
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Price, availability and buying checks
Halda’s official product page lists the full Space Discovery set at €11,000 including VAT and marks it out of stock. A category result separately lists a Space Discovery Mechanical variant at €8,900, but that listing does not establish live availability or precisely what is included. The lower figure should not be taken as the price of the two-module set.
No current secondary-market inventory or confirmed retailer listing is established here. If considering a specific example, verify the configuration and ownership details with the seller or Halda before committing:
- Which modules are included, and do their serial numbers and condition match the listing?
- What is the service history, and is manufacturer support currently available?
- Which software version is installed, and can any update still be obtained?
- Which crystal is fitted, and are any replacement parts currently obtainable?
- Are the bracelet, Flight Strap or other accessories included?
These are checks to make, not evidence that any particular watch or service is currently available.
Verdict
The Space Discovery is compelling as a purpose-built modular concept: the owner gets a mission-featured electronic watch and a high-beat automatic watch on one platform. Its space story is unusually specific, but the testing and collaboration claims should be understood as Halda’s account rather than independent certification. The large cases, niche functions, limited-run context and uncertain current availability make it a considered specialist purchase, not an obvious everyday choice. The full set’s listed price and out-of-stock status make confirmation of configuration and support essential before buying.
Quick Recap
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.
