- Movement
- Manual winding
Overview
Constant force and a deadbeat second
The F.P. Journe Tourbillon Souverain Boutique Edition, reference TN, in 18K 6N gold on a leather strap with the blackened gold dial and whitened guilloché silver sub-dials. 9.9 mm high, manually wound calibre 1403 in 18K rose gold: tourbillon, remontoir d'égalité and deadbeat seconds.
The Boutique Edition sets calibre 1403 in an 18K 6N gold case with a blackened gold dial and whitened guilloché silver sub-dials. F.P. Journe produced it between 2007 and 2016 and sold it only in its boutiques and Espaces, as part of a black-dial boutique series offered on all its models apart from the striking watches.
F.P. Journe launched its brand in 1999 with the Tourbillon Souverain, the first model of the Souveraine collection, which the brand describes as the only tourbillon wristwatch with a remontoir. The watch built on calibre 1403 is the later construction: it kept the remontoir, added an independent deadbeat second and replaced the original model. The brand values the remontoir for its timekeeping and presents the deadbeat second as a way of reading time more exactly.
Between the mainspring and the escapement sits a remontoir d'égalité, a small spring that the mainspring rearms at regular intervals and that alone drives the escapement. The force at the balance therefore stays level while the mainspring runs down. The deadbeat second at 6 o'clock stands still until a second has fully elapsed, then moves on. Hours and minutes are on an off-centre dial at 3 o'clock, the 42-hour power reserve at 12, and a sapphire case back shows the movement.
For collectors
The specification gives the same amplitude, 280° dial-up, at full wind and after 24 hours, which is the remontoir's work made visible in a figure. The earlier Tourbillon Souverain with remontoir but without deadbeat seconds is the one F.P. Journe describes as a collector's timepiece, with about a hundred produced; the seconds display at 6 o'clock separates the two.
Key details
Design and engineering
- Remontoir d'égalitéA secondary spring, rearmed by the mainspring, drives the escapement, so the balance does not feel the decline in mainspring torque over the 42 ± 2 hours of reserve.
- Deadbeat secondsThe seconds hand moves in whole-second steps, remaining still until each second has passed; the brand presents it as a more exact reading of time.
- Balance and escapementFree-sprung balance with four inertia weights, flat Anachron balance spring with Breguet overcoil, pinned stud; 15-tooth escape wheel and 90° anchor fork.
- DialScrewed steel circles on the face, patented by F.P. Journe, around guilloché silver dials for hours and minutes at 3 o'clock, seconds at 6 and the reserve at 12.
- FinishingCircular stripes on the bridges, Geneva waves on the base plate, polished and bevelled screw heads, pegs with polished rounded ends.
Calibre 1403
- Manual winding, 20 turns of the crown, two-position crown
- 18K rose gold, 26 jewels
- Tourbillon with remontoir d'égalité and deadbeat seconds
- 21,600 vibrations per hour (3 Hz)
- Power reserve 42 ± 2 hours
- 32.40 mm overall diameter, 6.60 mm high
- 193 parts in the movement, 218 cased on leather strap
The reference
Technical specifications
| Reference | TN |
|---|---|
| Collection | Boutique |
| Calibre | Calibre 1403 |
| Movement | Manual winding |
| Movement material | 18K rose Gold |
| Functions | Hours and minutes at 3h00, Sub-seconds at 6h00, Power reserve at 12h00 |
| Case material | 18K 6N Gold |
| Dial | blackened Gold and whitened guilloché Silver |
| Strap | Leather strap |
| Jewels | 26 |
| Power reserve | 42 ± 2 hours |
| Frequency | 21'600 VPH 3 Hz |
| Distribution | Boutique Edition: sold only in F.P. Journe boutiques and Espaces. |
| Status | No longer in the current collection |
Buying with HYPA
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- Registered Australian dealerHYPA International Pty Ltd · Registered Victorian second-hand dealer, Registration No. SHD-0018017.
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