The Optimum is the watch Journe built to settle a question rather than to fill a gap in the range. It carries a constant force device, a natural dead beat seconds, two mainspring barrels and a high-performance escapement he designed for it, all in one movement, and the point of the exercise was to find out how far rate stability could be pushed in a wristwatch. It arrived in 2012. This is the platinum version with a white gold dial, offered at 40 and 42 mm, and it remains in production. The name refers to the pursuit rather than to any claim about the result. It is offered in platinum and in rose gold, and nothing about it is limited.
Nothing on the dial announces what is underneath. A white gold plate carries a whitened guilloche silver register for the time, set off to one side in the way the house has arranged its dials since 1999, with the dead beat seconds shown separately and an indication of how much winding remains. Polished steel rings frame the registers. Against a white gold plate the whitened silver reads as texture rather than as contrast, which makes this the most restrained dial the model is offered with. The case is platinum at 40 or 42 mm and the difference between the two shows in how much empty plate surrounds the registers rather than in how the watch sits. Nothing else on the face is doing any work. There is no printing outside the registers, no applied indexes and no signature block in an unexpected place, and the plate between the elements is left entirely empty. That emptiness is what makes the dial difficult for people who expect a watch of this seriousness to look complicated, and it is deliberate: the argument the Optimum makes is entirely internal, and putting anything on the front to advertise it would undermine the idea. The hands are the only other element and they are finished to hold rather than to catch light, which suits a dial with nothing to reflect.
Four ideas are stacked in this movement and each addresses the same problem. Two barrels flatten the force curve so the balance receives something closer to a constant push as the watch runs down. A remontoir sits between the train and the balance and rewinds itself at intervals, delivering identical force every second regardless of what the barrels are doing. The seconds hand advances in whole steps rather than sweeping, which is a visible consequence of that arrangement rather than a separate feature. And the escapement is his own high-performance bi-axial design, the EBHP, which uses two escape wheels to deliver a direct impulse to the balance in both directions instead of routing it through a lever, so less energy is lost between the mainspring and the oscillator. Each of those alone appears elsewhere in watchmaking and the combination does not. A remontoir on its own is rare and Journe has used one since 1991; a dead beat seconds is uncommon and he has fitted it to the tourbillons; two barrels are ordinary enough. Putting all of them behind a direct impulse arrangement produces a movement where every stage between the mainspring and the balance has been reconsidered, which is why the watch took years to build and why nothing else in the collection shares its architecture. The only way to understand the watch is to wear one.
The Optimum sits apart from the rest of the collection because it has no complication at all. It shows the time, the seconds and how much winding is left, which is less than the Chronometre Souverain offers, and it demands more of the manufacture than most of the catalogue. That combination makes it the hardest watch in the range to explain to somebody who has not handled one. Collectors who own it tend to describe it as the most serious thing Journe has made and the least likely to be noticed, and both are fair. Nothing about the model has changed since it was introduced. Its position in the market has changed considerably, though. When it appeared in 2012 the Optimum was regarded as an engineer's watch that would appeal to a narrow group, and it sat in the shadow of the tourbillons and the Resonance for years. That has reversed as more people have handled one, and it is now among the references collectors mention when asked what the house does best. Nothing about the watch caused that shift; the understanding of it simply caught up. Both case sizes have been offered throughout, and the dial has been available in more than one metal, which is the only choice a buyer has.
This is a watch for somebody who has already bought the obvious references and wants the one that is about nothing except keeping time. The dead beat seconds is the only outward sign, and it is the detail most owners find themselves watching. In platinum with a white gold dial the watch is as quiet as the collection gets, and both case sizes are offered. Getting hold of one is a question of allocation rather than of finding an example, since nothing about the reference is scarce by design and everything about the output is. Anyone comparing it to a Chronometre Souverain should understand that the difference is entirely internal and will never be visible across a room. What is visible, at close range, is the seconds hand stepping once a second, and that is the only thing on the watch that gives any of it away. Owners describe it as the detail they check without meaning to. Servicing goes to the manufacture, as it does with anything carrying a constant force device, and the watch otherwise asks only to be wound, which takes about thirty turns of the crown.