News · Zenith

Zenith and USM give their DEFY Chronograph a mirrored dial for TimeForArt

A one-off 37 mm El Primero chronograph and matching USM Haller sideboard will be offered together at Phillips in December.

Hen & Mills Editorial · 4 min read · 7 October 2026

• Zenith and USM have made one DEFY Chronograph USM TimeForArt piece, revisiting their 2025 collaboration for a Swiss Institute benefit auction.
• Its 37 mm steel case surrounds a mirror-polished dial with four USM colours across the chronograph counters and hands.
• The unique watch and matching USM Haller sideboard go to Phillips New York on 5 December; no fixed sale price is published.

A watch made for an auction has a different job from one destined for a boutique window. It needs to make a case for itself in a room full of objects that can all claim rarity, and the story behind it has to be visible on the wrist. Zenith and USM Modular Furniture have revisited their 2025 collaboration for the TimeForArt benefit sale, replacing the earlier colourful dial with a mirror. The result, announced on 6 October, is the one-off Zenith DEFY Chronograph USM TimeForArt Unique Piece.

A dial that borrows its surroundings

The fully mirror-polished dial is the main change from the DEFY Chronograph USM introduced in September 2025. Three overlapping chronograph counters interrupt that reflective field, with printed details and hands carrying USM Golden Yellow, Pure Orange, Green and Gentian Blue. On the earlier collaboration, colour occupied whole dial variants; here the four colours appear together against one shifting surface. It is a risky arrangement on paper, since a mirror can make a chronograph hard to read, but it also gives this unique watch an appearance that depends on where it is worn.

Look towards the chronograph seconds hand and there is a small USM Haller ball joint at its tip. That is a more exact reference to the furniture system than a large logo across the dial would have been. The idea reaches back through two dates the companies share: USM patented its Haller modular system in 1965, while Zenith introduced the original DEFY and El Primero in 1969. Those dates do not make the objects identical, but they explain why modular furniture and a sharply faceted watch can hold a conversation without forcing it.

The familiar DEFY case is still here

Zenith has retained the 37 mm stainless-steel case, octagonal geometry, fourteen-sided bezel and ladder-style steel bracelet from the collaborative chronograph. A 37 mm diameter is a useful restraint for a dial this visually active: the mirror and coloured registers already make plenty of noise without needing a huge case around them. The press material gives this watch a 10 ATM water-resistance rating but does not state its case thickness or lug-to-lug length, so those dimensions should not be borrowed from a related retail reference.

Inside is the El Primero 400, an automatic column-wheel chronograph running at 36,000 vibrations per hour, or 5 Hz, with a quoted 55-hour power reserve. The movement is not a new invention for this one-off; the interest is the way a known high-frequency chronograph sits inside a fresh visual treatment. That is a more honest account of the object than describing a special dial as a mechanical breakthrough. We have seen plenty of charity watches ask rarity to do all the work. This one gives the buyer a design decision to argue about as well.

The sideboard is part of the lot

USM has made a mirrored Haller sideboard specifically for the project. It includes an upper display visible through a glass top and a lockable lower compartment, with room for up to 24 watches across its storage. That matters because the furniture is not a backdrop in the photographs or a prop for the press launch: it accompanies the unique Zenith piece. The paired objects make the collaboration physical, from the small ball joint on the hand to the larger modular structure a collector could live with.

The auction itself is the third TimeForArt edition, organised by Swiss Institute with Phillips. Zenith says 25 watch brands are participating in 2026, with the benefit supporting the institute's contemporary-art programmes. This is where the charity angle becomes more specific than a general claim that a sale is for a good cause. The brand states that all proceeds from this lot, including Phillips' buyer's premium, will benefit Swiss Institute. The eventual hammer price is unknowable today, and it would be misleading to present an estimate as a retail ticket even if one appears later.

Zenith DEFY Chronograph USM TimeForArt pricing and availability

This is one unique watch and matching USM Haller sideboard, rather than a numbered retail run. Phillips is due to auction the lot in New York on 5 December 2026 at 3 pm EST. Zenith has not published a fixed sale price or an Australian retail price for the auction piece. Its stated arrangement sends 100 per cent of the proceeds, including the buyer's premium, to Swiss Institute.

I am still not sure a mirrored dial would be my choice for an everyday chronograph. Here, though, it has a job beyond daily convenience: it makes the auction watch visibly different from the 2025 collection and gives the furniture partner a real part in the design. The most successful collaborations leave you able to name the contribution of each side without reading the caption. This one does.