F.P. Journe Chronomètre à Résonance
Launched 2000 in F.P. Journe's founding souscription series; first wristwatch to exploit balance-wheel resonance. Fully redesigned in 2020 (Calibre 1520) for its 20th anniversary.
2 references
“Differs” marks a spec with different recorded values. — means not recorded.
| Spec | RT First-generation dual-resonance, Calibre 1499 family (1499/1499.2/1499.3) | RQ Calibre 1520 twin-remontoir resonance, 2020 redesign |
|---|---|---|
| Case size | 40 mm | 40 mm |
| Thickness Differs | 9.1 mm | 10.8 mm |
| Case | platinum or 18K 6N rose gold, round | platinum or 18K 6N rose gold, round |
| Case maker | Les Boîtiers de Genève | Les Boîtiers de Genève |
| Crystal | sapphire | sapphire |
| Caliber Differs | Calibre 1499.3 | Calibre 1520 |
| Movement maker | F.P. Journe | F.P. Journe |
| Movement type | Manual | Manual |
| Jewels Differs | 36 | 62 |
| Frequency | 21600 vph | 21600 vph |
| Power reserve Differs | 40 h | 42 h |
| Complications Differs | resonance dual balance, dual time display, power reserve indicator | resonance dual balance, twin remontoir d'égalité, dual time display, power reserve indicator, small seconds |
| Dial Differs | white gold and guilloché silver (platinum) / 5N gold and guilloché silver (rose gold) | white gold or 5N gold with whitened guilloché silver |
| Hands | blued steel | blued steel |
| Produced Differs | 2000–2020 | 2020 |