Louis Moinet 1816 Tourbillon Chronograph: The Case for One Pusher
Featured photograph: The LM-170.20.60 on the wrist, with a finger resting on its single chronograph pusher. Photography: Fratello.
A single pusher changes the rhythm of a chronograph. Start, stop and reset follow one another through the same control, making the operating sequence part of the watch's character. Louis Moinet's 1816 Tourbillon Chronograph, reference LM-170.20.60, places that deliberate interaction beside a conspicuous blue flying tourbillon. Presented in April 2026 and receiving renewed attention this autumn, it deserves examination as a combination of mechanisms rather than simply a rare titanium bracelet watch.
Begin with the pusher
The polished button at two o'clock controls the chronograph, while the crown handles winding and time-setting. A central hand records elapsed seconds, with a thirty-minute counter at three and running seconds at nine. That separation matters: the watch contains several moving indications, but they do not all belong to the stopwatch.
A purchase demonstration should cover a full start, stop and reset sequence, with the seller explaining the permitted operations. Follow the central hand and minute counter together, and check their return to zero. Do not assume the same stop-and-resume behaviour as a conventional two-button chronograph. The attraction is a particular way of interacting with the mechanism; its operating logic should suit the prospective owner.
The blue cage is part of the regulator
The large opening at six reveals a flying tourbillon with an off-centred cage. Its blue DLC treatment contrasts with the quieter rhodium-plated dial, while the chronograph and subsidiary hands use blued steel. Similar colour does not mean an identical surface treatment, a distinction worth preserving when discussing condition or future intervention.
Flying describes the tourbillon's support arrangement, leaving the display free of a conventional upper bridge. It does not establish superior accuracy against every other watch. We would enjoy the visible motion on its own terms and ask for timing evidence separately. A striking regulator can justify an aesthetic preference without supplying an unmeasured performance claim.
An established movement in a different setting
The hand-wound LM114 combines column-wheel chronograph control, a horizontal clutch and the tourbillon regulator. Developed with Concepto, it belongs to a movement platform previously used in Louis Moinet's Impulsion watches. This is an important distinction for a collector: the new exterior does not require the calibre to be an entirely new invention.
Its stated reserve is 96 hours, with a frequency of 28,800 vibrations per hour. Through the sapphire back, the exposed wheels and contrasting finishes offer a second mechanical view. Ask how the manufacturer measures the reserve and whether chronograph operation changes the quoted conditions. A four-day specification is useful information, but the support arrangement, service route and handling instructions belong in the same discussion.
The dial balances history with interruption
Engraved lettering, Arabic counter numerals and a railway scale connect the watch with the instrument vocabulary behind the 1816 name. The tourbillon opening deliberately interrupts that otherwise ordered surface. This is where the design becomes more than an exercise in reproducing an old stopwatch: a large moving aperture competes with the timing indications for attention.
Our preference would depend on that visual balance in ordinary light. Look at the hour and minute hands when they cross the counters, then tilt the watch until the blue elements darken. Promotional photographs reveal finishing and construction; they cannot tell a buyer how easily a particular pair of eyes will find the time. The photographs here show other people's handling, not a wear test conducted by us.
Judge the bracelet as part of the watch
The Grade 5 titanium case measures 40.6mm across and 15.1mm thick, with a matching integrated bracelet and folding clasp. Alternating polished and satin-finished areas make the junctions between broad links especially visible. The water-resistance specification is 50 metres. Those figures describe the intended construction, not the present seal condition of a particular pre-owned example.
Before committing, have the bracelet sized and check the clasp position, articulation and clearance around the prominent pusher. Request close photographs of the case edges and polished sections, plus an explanation of any refinishing. Integration makes the bracelet central to the composition, so missing links, damaged surfaces or uncertain replacement arrangements deserve attention before the price discussion is settled.
Twelve examples do not establish value
Production is limited to twelve watches. The reported retail price is US$135,000; obtain a current written quotation with regional taxes, delivery terms and included accessories specified. That reported figure is neither a completed secondary-market transaction nor proof that an allocation remains available.
We would pursue the 1816 Tourbillon Chronograph for the combination of a disciplined instrument-style dial, visible regulator and deliberate single-button operation. Rarity adds context, but the strongest buying case survives without it. The right owner should want to operate the chronograph, study the movement and wear the complete bracelet watch after the initial fascination with the blue cage has become familiar.