F.P. Journe Chronomètre à Résonance Anniversaire Tokyo RN
Movement
Manual winding
Size
40 mm
Edition
Limited series numbered 1 to 12, for the second anniversary of the F.P. Journe boutique in Tokyo, sold only at the Tokyo boutique.

Overview

Résonance for the second anniversary

The F.P. Journe Chronomètre à Résonance Anniversaire Tokyo, reference RN, in polished titanium with crowns in 18K 6N gold, with the ruthenium-on-gold and whitened guilloché silver dial. 40 mm and 9.1 mm high, hand-wound calibre 1499.2, with two balances in resonance and two time displays.

For the Tokyo boutique's second anniversary in 2006, F.P. Journe made the Chronomètre à Résonance in a polished titanium case with 18K 6N gold crowns and a ruthenium-coated gold dial, in 12 pieces numbered 1 to 12 and sold only at the Tokyo boutique. The model itself was first shown in 2000. The edition belongs to the anniversary series the brand created to honour the clients of its boutiques; F.P. Journe now directs clients to the Chronomètre à Résonance in platinum or 18K 6N gold.

Resonance, in F.P. Journe's description, is two frequencies falling into harmony. Each of the two balances serves in turn as exciter and resonator; once both are moving they come into sympathy and settle into beating in opposition, resting against each other, which the brand says gives their motion more inertia. Calibre 1499.2 has two linear escapements and two free-sprung balances, each with four inertia weights and a flat micro-flamed Anachron spring. It shows the time twice, 24 hours on the left dial and 12 on the right, each with small seconds at 6, and the reserve at 11 o'clock.

For collectors

Pulling the button at 4 o'clock returns both small seconds hands to zero together.

Key details

Case materialTitanium
MovementCalibre 1499.2, manual winding
CollectionTokyo Boutique Anniversary Series

Design and engineering

  • Two balancesTwo free-sprung balances with four inertia weights each, flat micro-flamed Anachron springs laser-pinned to Nivatronic collets, and two 15-tooth linear escapements.
  • Double displayLeft dial 24 hours, right dial 12 hours. With the crown in position 2, turning one way sets the left dial and the other way the right.
  • Seconds resetA button at 4 o'clock, pulled, returns both small seconds to zero.
  • Case and dialPolished titanium, 40 mm and 9.1 mm high, crowns in 18K 6N gold. Dial ruthenium on gold with whitened guilloché silver; 5N gilt steel hands.

Calibre 1499.2

  • Manual winding, 27 turns of the crown
  • Movement in 18K rose gold, 36 jewels
  • Two linear escapements, two free-sprung balances
  • 21,600 vibrations per hour (3 Hz)
  • Power reserve 40 ± 2 hours
  • 32.60 mm overall diameter, 4.50 mm high, 299 parts

The reference

Technical specifications

Chronomètre à Résonance Anniversaire Tokyo
ReferenceRN
CollectionTokyo Boutique Anniversary Series
CalibreCalibre 1499.2
MovementManual winding
FunctionsDouble display: Left dial (digital) indicating 24 hours, Right dial (analogue) indicating 12 hours, 2 small seconds at 6h00, Power reserve at 11h00
Case dimensions40 mm
Case thickness9.1 mm
Case materialTitanium
NotesLimited Series: 12 pieces
Dialruthenium on Gold and whitened guilloché Silver
Hands5N gilt Steel
Jewels36
Power reserve40 ± 2 hours
Frequency21 600 Alt/h (3Hz)
Movement parts299
EditionLimited series numbered 1 to 12, for the second anniversary of the F.P. Journe boutique in Tokyo, sold only at the Tokyo boutique.
StatusNo longer in the current collection

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