- Movement
- Self-winding
- Size
- 36, 38 or 40 mm
Overview
The Octa with central hands
The F.P. Journe Octa Divine, reference D, in 18K 6N gold with an 18K 6N gold and whitened silver dial and blued steel hands. Self-winding calibre 1300.3 in 18K rose gold, with central hours and minutes, large date, retrograde power reserve and a sapphire-disc moon phase; 10.6 mm high.
The Divine brings the Octa automatic under central hours and minutes, with the small seconds at 4:30, the large date and a retrograde power reserve. F.P. Journe gives its production as 2003 to 2021 and offered it in 36, 38 or 40 mm; the 36 mm size is carried in the model's full name. The hour and minute circles are screwed to the dial, a construction the brand has patented.
Calibre 1300.3 is the Octa automatic in 18K rose gold. F.P. Journe gives it two reserve figures: 120 hours over which it rates the watch for precision timekeeping, and an effective reserve of 160 ± 10 hours. The off-centre rotor, in 22K 5N gold, turns on a self-locking ball bearing and winds in one direction, so small movements of the wrist are used for winding. The moon is a metallic sapphire disc driven by its own wheel train, moving one notch each time the date changes.
For collectors
The reserve indicator is scaled to 120 hours while the effective reserve is 160 ± 10 hours. The two figures answer different questions: 120 hours is the span over which F.P. Journe claims precision timekeeping, and by the brand's account the Octa was the first automatic movement to reach it; the extra hours are running time beyond that claim.
Key details
Design and engineering
- Long, low-torque mainspringJourne extended the mainspring's development rather than adding a wheel to the train, keeping enough energy at the balance for a stable rate across the reserve. F.P. Journe specifies 280° amplitude dial-up at 12 hours and 220° at 90 hours.
- Ball-bearing rotorThe off-centre 22K 5N gold rotor runs on a self-locking ball bearing that lets it drive one way and locks it the other, so the watch is wound by the smallest movements.
- Variable inertia balanceFree-sprung, with four inertia weights and a flat microflamed Anachron spring; no regulator index acts on the spring. In-line lever escapement, 15-tooth wheel.
- Moon discA metallic sapphire disc advances one notch with each date change through a dedicated wheel train. In crown position 2, date and moon are set by turning in opposite directions; position 3 sets the time.
- DialCentral hands, small seconds at 4:30, large date, retrograde reserve at 10 o'clock. Hour and minute circles screwed to the dial; white gold or 18K 6N gold with whitened silver, blued steel hands.
Calibre 1300.3
- Automatic winding, uni-directional, off-centre 22K 5N gold rotor on ball bearing
- 18K rose gold
- 21,600 vibrations per hour (3 Hz), 36 jewels
- Autonomy 160 ± 10 hours; precision reserve 120 hours
- 30.80 mm overall diameter, 5.80 mm high, 271 parts
- Circular stripes on the bridges, gilt engravings, polished screw heads with chamfered slots
The reference
Technical specifications
| Reference | D |
|---|---|
| Collection | Octa |
| Calibre | Calibre 1300.3 |
| Movement | Self-winding |
| Functions | Central hours and minutes, Small second at 4h30, Large Date, Power reserve at 10h00, Moon phase |
| Case dimensions | 36, 38 or 40 mm |
| Case thickness | 10.6 mm |
| Case material | 18K 6N Gold |
| Dial | 18K 6N Gold and whitened Silver |
| Hands | blued Steel |
| Jewels | 36 |
| Power reserve | 160 ± 10 hours |
| Frequency | 21'600 Alt/h, 3 Hz |
| Status | No longer in the current collection |
Buying with HYPA
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