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AMIDA Digitrend: How the Mechanical Jumping-Hour Watch Works

The AMIDA Digitrend pairs a mechanical jumping-hour movement with a sapphire prism that reflects the time vertically. Here’s how the display works and how the Steel and NASA Tribute differ.
Estimate3–4 min Catalogued SpecialistWatchRanker Team
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The AMIDA Digitrend looks digital, but it is a mechanical watch: jumping-hour and minute discs are reflected upward through a sapphire prism so the time appears vertically. The modern Steel model revives a design AMIDA says it introduced in 1976, pairing that optical display with a Swiss automatic movement. This is an explanation of the watch and its listed specifications, not a report of hands-on testing.

How does the AMIDA Digitrend work?

The Digitrend’s movement and discs sit horizontally in the case, while the wearer reads the time from above. A sapphire prism redirects the image of the discs upward, making the numerals appear as a vertical readout. AMIDA calls the system its Light Reflecting Display (LRD) and says the prism magnifies the numerals. In the brand’s words, “The readout is actually an optical effect created by a crystal in the shape of a prism.”

The hours advance in jumps, while the minutes sweep continuously. There is no electronic screen or illumination: the vertical presentation is an optical reflection of mechanically driven discs. AMIDA associates its jumping-hour mechanism with patent No. 3,685,283, filed November 13, 1970, and the LRD with patent No. 3,786,626, dated April 5, 1973; those patent details are the manufacturer’s account.

Is the AMIDA Digitrend a digital watch?

No. “Digital” describes the way its time is displayed in separate numerals, not the technology inside it. The Digitrend is a mechanical watch with an automatic movement, a jumping-hour module and an optical prism. It does not use an electronic display.

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What is the story behind the Digitrend?

AMIDA says it was founded in 1925 and introduced the original mechanical Digitrend at Baselworld in March 1976. The current design is described by the brand as a 2024 revival. Independent watch coverage also reported on the revival in 2024, but the historical chronology here is based on AMIDA’s own account.

The driver-oriented layout is central to the concept: rather than turning the wrist toward the wearer to read conventional hands, the display directs the time upward. The modern version retains that unusual presentation while using contemporary automatic mechanics and sapphire optics.

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What movement is in the new AMIDA Digitrend?

The Steel and NASA Tribute models use a Soprod Newton P092 Swiss automatic movement with AMIDA’s nine-component in-house jumping-hour auxiliary module. AMIDA lists 23 jewels, a frequency of 28,800 vibrations per hour (4 Hz), and a 44-hour power reserve. The functions are jumping hours and sweeping minutes. These are manufacturer specifications, not independently measured results.

AMIDA Digitrend Steel specifications

Specification AMIDA-listed detail
Movement Soprod Newton P092 automatic with nine-component in-house jumping-hour module
Display and functions Optical sapphire-prism readout; jumping hours and sweeping minutes
Frequency and reserve 28,800 vph / 4 Hz; stated 44-hour power reserve
Case 316L stainless steel, satin-brushed and polished
Dimensions 39.6 mm wide × 39 mm long × 15.6 mm high
Water resistance 5 ATM / 50 m, as specified by AMIDA
Other measurements 22 mm lug width; listed weight 110 g
Strap options Metal bracelet or charcoal Alcantara lined with orange calfskin
Warranty Two-year manufacturer’s warranty

The dimensions, water-resistance rating and weight are published specifications; they are not independent test findings. AMIDA’s product page lists the AMIDA Digitrend Steel with those details.

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How much does the AMIDA Digitrend cost?

On October 7, 2026, AMIDA’s product pages listed the Steel at CHF 3,250 and the NASA Tribute at CHF 3,400, with taxes excluded. These are page prices checked on that date, not guaranteed or fixed prices. The Steel page also stated free secure international shipping and delivery in two to five days; shipping terms and delivery estimates can change.

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What is different about the NASA Tribute?

The NASA Tribute keeps the same basic movement, prism display, case dimensions and stated 5 ATM / 50 m water resistance as the Steel, but changes the materials and strap. AMIDA presents it as a NASA-inspired tribute; it is not described here as NASA-issued or NASA-approved.

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Feature Digitrend Steel Digitrend NASA Tribute
Listed price, checked October 7, 2026 CHF 3,250, taxes excluded CHF 3,400, taxes excluded
Case design Satin-brushed and polished 316L stainless steel Black DLC-coated 316L steel with white ceramic top shell
Dimensions 39.6 × 39 × 15.6 mm 39.6 × 39 × 15.6 mm
Listed weight 110 g 90 g
Strap Metal bracelet or charcoal Alcantara option 22 mm bi-material leather and technical-fabric hook-and-loop strap, tapering to 18 mm
Movement and stated reserve Soprod Newton P092 automatic with jumping-hour module; 44 hours Soprod Newton P092 automatic with jumping-hour module; 44 hours
Edition No limited quantity stated on the product page AMIDA states a limit of 100 numbered watches

For the NASA Tribute’s current details, see AMIDA’s Digitrend NASA Tribute page. Prices, stock and purchase terms may change.

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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.

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