News · L.Leroy

L.Leroy makes the dial move and the hour hand stand still

The Vox Temporis combines a rotating single-hand display, minute repeater and flying tourbillon in 15 watches across three case metals.

Hen & Mills Editorial · 3 min read · 31 August 2026

• The Vox Temporis fixes an engraved arrow-shaped hour hand above a rotating flinqué dial, leaving exact minutes to its repeater mechanism.
• Calibre L601SQR combines a two-gong minute repeater with a 76-part flying tourbillon, 3Hz frequency and a stated 90-hour power reserve.
• L.Leroy will make 15 watches across titanium, red gold and platinum; its official product page publishes neither price nor delivery timing.

L.Leroy has turned the usual relationship between a watch's dial and hands inside out. On the Vox Temporis, the arrow-shaped hour hand stays fixed while a flinqué dial rotates beneath it. Minutes are absent from the display. When greater precision is required, a minute repeater sounds the hours, quarter-hours and remaining minutes on two gongs.

The arrangement sits inside a 43mm case and is paired with a flying one-minute tourbillon. L.Leroy will make 15 watches across grade 5 titanium, 18-karat 5N red gold and platinum. The brand's official page publishes neither prices nor delivery timing.

A fixed hand over a moving dial

Vox Temporis means voice of time, and the name describes the division of labour. A fixed, hand-engraved arrow points to the current hour as the circular dial turns. The dial uses a flinqué soleil pattern under translucent varnish and comes in blue, anthracite grey or steel grey. L.Leroy says the display draws on a tact watch made in 1810 for the Prince of Hesse.

That historic watch allowed its owner to read hours and half-hours by touch, using diamonds and pearls around the case. The new watch does not reproduce that tactile system. Instead, it keeps the idea of discreet approximate time, then uses sound for exact minutes. It is an unusual but coherent reading hierarchy: the dial provides orientation, while the repeater provides precision only when asked.

The single visible hand is rhodium-plated as well as engraved by hand. Its immobility makes the dial's movement more apparent. The blue version, in particular, turns its radial pattern into a broad field of changing light rather than a background that waits behind moving hands.

Reading the display is intentionally approximate. The arrow provides the hour against the rotating scale, but there is no conventional minute track to invite false precision. That restraint is supported by the repeater rather than undermined by it. The wearer can leave the watch as a calm single-hand display for most of the day, then call for the exact time through the slide when the missing minutes matter.

The case is part of the acoustic system

The round, drum-shaped case measures 43mm across and 13.95mm thick including its hinged back cover. It is available in grade 5 titanium, 18-karat 5N red gold or platinum.

The minute-repeater slide runs between roughly 8:30 and 9:30. A push-button at four o'clock releases the hinged back cover, exposing the movement beneath another anti-reflective sapphire crystal. The dial side also uses sapphire, and the case is rated to 30 metres of water resistance.

L.Leroy says the case architecture was developed to amplify the different tones of the repeater. Once the slide is activated, two hammers strike two gongs. Separate sound patterns identify hours, quarter-hours and minutes. The mechanism therefore supplies the detail deliberately omitted from the rotating dial.

Calibre L601SQR carries two complications

The proprietary L601SQR is a hand-wound calibre made from 321 components. It runs at 3Hz, or 21,600 vibrations an hour, and uses a single barrel for a stated 90-hour power reserve. The movement is 30mm in diameter and 8.89mm thick, with 29 jewels. The regulating system uses a variable-inertia balance with a flat balance spring and a Swiss lever escapement. Those details place rate adjustment at the balance rather than on a conventional index. L.Leroy does not publish a stated daily accuracy range for the completed watch.

Its flying tourbillon cage measures 13.6mm across and contains 76 parts. It completes one rotation each minute. Because the dial carries no conventional minute hand, the tourbillon's rotation becomes one of the few visible references to a minute passing, even though it is not presented as a substitute time display.

The main plate uses a single rhodium-plated bridge with hand-bevelled edges. The open back makes the repeater hardware and tourbillon architecture available for inspection, while the hinged cover allows the watch to return to a closed, more traditional profile.

Each version comes on a black alligator strap with large scales on the outside and smaller scales on the lining. Tone-on-tone stitching keeps the strap restrained, and a folding clasp carries the double-L emblem.

L.Leroy Vox Temporis pricing and availability

Production is limited to 15 pieces shared across the titanium, red-gold and platinum cases. L.Leroy does not state how the total will be divided among the three metals, and its official product page does not publish a price.

No public purchase path or delivery timing is stated on the product page. The three references are LL301/1 in red gold, LL302/1 in platinum and LL303/1 in titanium.