Seiko 5M42 Movement Details
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| Sub-brands: | Arctura |
| Battery: | 3023.5MY (replaces 3023.5MZ, 3029.111 and 3029.113) / (Rechargeable lithium-ion capacitor) |
| Accuracy: | ±15 seconds/month |
| Day / date? | Date only |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Rate: | 32,768 Hz |
| Number of jewels: | 6 |
| Size / diameter: | 27.0mm |
| Height: | 4.3mm |
| Notes: | The same as cal. 5M43 but with a date only (no day display). |
| PDF guides: | Technical guide : 5M42A & 5M43A |
| Related movements: | 3M22 5M43 5M45 5M62 5M63 |
Part Codes
| Stem code: | 351653 (tap 11) |
| Date wheel code: | 878729 (black on white) |
| Screw codes: | 022247, 022490 (screw for oscillating weight) |
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