The Mido Multifort 8 One Crown is a 40 mm automatic watch with a date, an octagonal-shaped bezel and up to 80 hours of power reserve. It is offered in multiple dial, case-finish and strap configurations, so price and appearance depend on the exact reference. The key distinction from the Multifort 8 Two Crowns is functional: the One Crown omits the second crown and internal rotating bezel.
What the Multifort 8 One Crown is
The One Crown is a single-crown automatic model in MIDO’s Multifort 8 family. MIDO describes the bezel as octagonal-shaped and the dial as having horizontal grooves, with Super-LumiNova on the hands and indexes. A sapphire crystal with anti-reflective coating on both sides and a transparent case back are among the listed features. MIDO’s U.S. specification page lists these features for reference M055.507.22.051.00.
How it differs from the Two Crowns
The most useful distinction is the bezel control: the Two Crowns has a second crown for an internal rotating bezel, while the One Crown does not. That is the design change reported in Time and Watches’ February 2026 launch coverage. Do not assume the models are otherwise identical; compare the exact references for dimensions, movement, water resistance, dial, attachment and market price.
Specifications
| Specification | MIDO-listed One Crown details |
|---|---|
| Case width | 40 mm |
| Case length | 38.4 mm |
| Thickness | 9.9 mm |
| Lug width | 12 mm |
| Movement | Automatic, date; MIDO calls it Caliber 80 |
| Power reserve | Up to 80 hours, according to MIDO’s specification |
| Water resistance | 10 bar (100 m / 330 ft), with screw-down crown, according to MIDO |
| Crystal | Sapphire, anti-reflective coating on both sides |
The measurements and feature specifications above are MIDO’s published figures, not independent test results. The brand quotes “Water-resistant up to a pressure of 10 bar (100 m / 330 ft) with screw-down crown.”
The Tool Desk
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For added movement detail, Time and Watches reports that Caliber 80 is based on ETA C07.611, runs at 3 Hz (21,600 vibrations per hour) and uses a Nivachron balance spring. Those are secondary-source details; MIDO’s product page itself identifies the movement as Caliber 80. Time and Watches, February 2026 also reports the movement is adjusted in three positions in its later Midnight Green coverage.
References and configurations
“Black One Crown” can mean different watches. The U.S. MIDO reference below has a PVD-coated case and bracelet; the UK black-dial reference is stainless steel. Always match the reference to the configuration before comparing prices or ordering a strap.
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| Reference and market | Dial and case | Attachment and listed detail |
|---|---|---|
| M055.507.22.051.00 — MIDO U.S. | Black dial; 316L steel with PVD coating | Steel bracelet; listed weight 156 g |
| M055.507.11.051.00 — MIDO UK | Black dial; stainless steel | Steel bracelet |
| M055.507.17.091.00 — MIDO Canada | Green dial; 316L stainless steel | Green rubber strap; listed weight 90 g |
The Canadian green reference is listed with the same 40 mm width, 38.4 mm length, 9.9 mm thickness, 12 mm lug width and 10 bar water resistance as the core specification. Its matching green strap is identified by MIDO as part M603019655. Although MIDO’s Canada page also shows 12 mm rubber straps labelled for the Two Crowns, matching lug width alone does not establish end-link or attachment compatibility. Confirm fit with MIDO or the seller before buying a replacement.
Launch coverage described blue- and black-dial versions with steel bracelet and rubber-strap choices. A later report covered the Midnight Green dial with matching rubber strap. Availability of any configuration can differ by region and date.
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Price and availability depend on reference and region
| Source and reference | Price shown or reported | Availability note |
|---|---|---|
| MIDO U.S., M055.507.22.051.00 | $1,230 | Marked out of stock when checked |
| MIDO UK, M055.507.11.051.00 | £790 including VAT | Marked out of stock when checked |
| MIDO Canada, M055.507.17.091.00 | CA$1,150 | Price listed for green rubber-strap reference |
| Teddy Baldassarre, M055.507.11.051.00 | $1,070 | Retail listing states the manufacturer’s two-year warranty |
These are market- and listing-specific examples, not a single worldwide price or a guarantee of current stock. Time and Watches reported launch prices in February 2026 of €990 / US$1,070 for the steel-bracelet version and €950 / US$1,030 for the rubber-strap version; those are launch figures, not current quotes. Launch report.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Is it a good fit?
The published dimensions provide a compact set of measurements to compare against a watch you already wear: 40 mm across, 38.4 mm long and 9.9 mm thick, with 12 mm between the lugs. Those numbers do not establish comfort or fit on a particular wrist. The listed weight also varies by configuration: MIDO gives 156 g for the U.S. PVD bracelet reference and 90 g for the Canadian green rubber-strap reference.
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MIDO lists a two-year warranty on its regional product pages. Check the applicable terms for your country and the seller you use. No independent accuracy testing or long-term reliability evidence is established here, so the stated reserve and water resistance should be understood as manufacturer specifications rather than independent performance findings.
Quick Recap
Best Value
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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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