Specifications
| Specification | Value |
|---|---|
| Size | 11 1/2" |
| Height | 5.55 mm |
| Accuracy (per Day) | -20 ~ +40 sec |
| Posture Difference | (under) 50 sec |
| Running Time | (approximately) 42 hours |
| Vibration Frequency (per Hour) | 21600 vibration |
| Clearance | Hand: 0.45mm min. Movement: 0.20mm min. |
| Jewels | 21 pcs |
| Lift Angle | 49 degree |
| Original Package | 100 pcs |
Component Details:
- Attached Stem: 065-212, 929-610 (Screw for dial fix)
- Casing clamp: 082-060, 924-460 (Screw for Casing clamp)
- Diameter: Φ19.80
The document indicates that clearance values are subject to changes based on the glass, case structure, and the length of the hand.
A "Gilt Version Available" is noted. The movement features a "Small Second" indicator, as shown for the 8N40 model.
A visual representation of the "8N40 SKELETON" movement is provided. Another diagram illustrates "Setting the Time" via the crown.
Information
Time measurement & Winding
Mechanical
Accuracy: Measure accuracy within a lapse of 10~60 minutes from full winding with posture ①.
Posture difference
Measure accuracy in the following 4 postures:
- ① Dial side up
- ② 6 o'clock side up
- ③ 9 o'clock side up
- ④ 3 o'clock side up
Diagrams visually represent these four postures.
To make full-winded
| Caliber Series | Action |
|---|---|
| 90 / 91 | Turn the crown 40 times |
| 82 / 8N | Turn the crown 40 times |
| 6T | Turn the crown 20 times |
Winding direction
Diagrams illustrate the winding direction for caliber series 90/91/6T and 82/8N.
