Seiko 8R48 Movement Details
Seiko caliber 8R48 is an automatic (with hand winding) watch movement.
| Sub-brands: | Presage |
| Power reserve: | 45 hours |
| Accuracy: | +25/-15 seconds/day (Seiko "C" standard) |
| Day / date? | Date only |
| GMT / world time? | No |
| Chronograph? | Yes |
| Hacking? | Yes |
| Rate: | 28,800 bph |
| Number of jewels: | 34 |
| Lift angle: | 52º |
| Size / diameter: | 28.0mm |
| Height: | 7.62mm |
| Notes: | The same as cal. 8R46 but with a stopwatch hour hand. Also sold as the NE88. |
| PDF guides: | Technical guide : 8R48A & 8R49A |
| Related movements: | 8R46 8R49 |
Part Codes
| Stem code: | 351200 (tap 10) |
| Balance wheel code: | 310055 |
| Mainspring code: | 201178 |
| Date wheel code: | 878108 (white on black), 878109 (black on silver) |
| Screw codes: | 012092, 012168, 012201, 012354, 012420, 012919 (ratchet wheel screw), 016709 |