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Excelsior Park Review: EP 884-SI vs. Bi Compax Chronographs

The EP 884-SI is Excelsior Park’s slim, hand-wound time-only watch; the Bi Compax adds chronograph functions in a thicker case. Here’s how the current models compare.
Estimate4–5 min Catalogued SpecialistWatchRanker Team
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The Excelsior Park EP 884-SI is the clearest place to start with the revived watch brand: a slim, hand-wound, time-only watch with vintage-informed styling. The Bi Compax models add chronograph functions in a thicker case, while the Tuxedo is another chronograph configuration with a different movement and specification set. The name has real roots in Swiss watchmaking, but the modern brand is not the same operating manufacturer as the historic firm.

Is Excelsior Park the same company as the historic watchmaker?

No. Excelsior Park’s official history traces the name to St-Imier, Switzerland, and describes the historic firm as a specialist in stopwatches and chronographs. The brand says it continued production into the 1970s, disappeared around 1983–1984 after the Quartz Crisis, and that German supplier Flume acquired naming rights in 1986 and produced a small series of chronographs. These are the brand’s own historical claims, rather than independently corroborated history. See the Excelsior Park history.

The same account says historic Excelsior Park movements were supplied to or used by companies including Zenith, Girard-Perregaux and Gallet. It cites Zenith wrist chronographs from 1938 using EP 42 calibres and an orientation-hand chronograph from 1945 later marketed by Gallet and Zenith as the Sextant. That lineage gives the revived brand historical context; it does not mean its current watches use those vintage calibres or come from the original manufacturer.

What is the EP 884-SI?

The EP 884-SI is a three-hand, time-only collection with six model variants, different dial and strap combinations, and a 38 mm 316L stainless-steel case. Excelsior Park specifies a manual-wind Landeron L21 calibre, about 40 hours of power reserve and a 9.45 mm case thickness. The brand says “884” refers to the year St-Imier was founded and “SI” to Saint-Imier. Its product page also states that Excelsior Park had developed 32 different movements by 1922; that figure is the brand’s own historical claim. See the official EP 884-SI page.

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In a hands-on review published July 26, 2024, Balazs Ferenczi of Fratello Watches reported a 46.2 mm lug-to-lug measurement, sapphire crystal, 28,800 vibrations per hour, 17 jewels and 10 ATM water resistance, alongside the case and movement details. These are published specifications, not results of testing for this article. The review describes four dial colors across the six variants, with leather strap or beads-of-rice bracelet options.

How does the EP 884-SI wear?

The 38 mm diameter and 46.2 mm lug-to-lug length offer more useful fit context than diameter alone, but neither measurement guarantees how it will sit on a particular wrist. Its 9.45 mm thickness makes it the slimmer option among the documented watches here. Ferenczi found the large crown easy to use and the dial legible despite the absence of lume. Those are his observations, not universal wear or visibility tests. He summed up his subjective view by calling it “a lovely timepiece” that works in both formal and casual settings. Read his July 2024 EP 884-SI review.

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How does the EP 884-SI compare with the Bi Compax?

The practical distinction is straightforward: the EP 884-SI displays the time, while the Bi Compax adds chronograph functionality. The Bi Compax Black and Reverse Panda share a reported 38.9 mm case, but are thicker and longer lug-to-lug than the EP 884-SI in the published review measurements.

Model Functions and movement Case dimensions Water resistance Dial, crystal and wear options
EP 884-SI Three-hand time-only; manual Landeron L21; approximately 40-hour reserve 38 mm diameter; 46.2 mm lug-to-lug; 9.45 mm thick (Fratello, July 2024) 10 ATM, as reported by Fratello in July 2024 Sapphire crystal; four dial colors across six variants; leather strap or beads-of-rice bracelet, according to the Fratello review
Bi Compax Black / Reverse Panda Manual Landeron 70 chronograph 38.9 mm diameter; 47.5 mm lug-to-lug; 13.9 mm thick (Fratello, December 2024) Not stated in the cited Fratello review Sapphire display back; leather strap or beads-of-rice bracelet. The reviewer reported large hands and Super-LumiNova-filled indexes, which he found helped legibility.
Tuxedo chronograph Manual Sellita SW510 M BH b chronograph; 23 jewels; 63-hour power reserve 38.9 mm diameter; 13 mm thick; 20 mm lug and strap width (official specification page) 5 ATM, according to the official specification page Double-domed sapphire crystal with anti-reflective coating; other configuration details not stated on the cited specification page.

The EP 884-SI’s thinner profile favors someone seeking a simpler, lower-profile watch; the Bi Compax is the documented choice for chronograph functions and a thicker wrist presence. The Tuxedo’s stated 5 ATM rating and Sellita movement apply to that listed configuration, not to every Excelsior Park chronograph. A water-resistance rating is a published specification, not evidence of an independent test here. The Fratello Bi Compax review and the brand’s Tuxedo specifications provide the respective details.

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What did these Excelsior Park watches cost?

The prices below are those reported in Fratello reviews when published; they are not verified current offers.

Model Strap price reported at publication Bracelet price reported at publication Price date and source
EP 884-SI US$845 US$995 July 26, 2024, Fratello Watches
Bi Compax Black / Reverse Panda US$1,750 US$1,950 December 22, 2024, Fratello Watches

Current inventory, regional pricing, taxes, shipping, warranty terms, return policies and service support are not established by those dated articles. Check those details with the seller before treating either publication price as a buying option.

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Is the Excelsior Park EP 884-SI worth considering?

Consider it if you want a compact, hand-wound, time-only watch with vintage-inspired design and are comfortable choosing between leather and a beads-of-rice bracelet. Its published dimensions make it the slimmer option in this comparison, and the reviewer’s comments support its versatility as a subjective impression—not a guarantee that it will suit every wrist or setting.

Choose a Bi Compax instead if you specifically want chronograph functionality and accept a case nearly 14 mm thick. Consider the Tuxedo separately rather than assuming it has the same movement or water resistance as the Bi Compax: its listed specification names the Sellita SW510 M BH b, a 63-hour reserve and 5 ATM resistance. For any model, verify the current configuration, price and purchase terms directly before ordering.

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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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