Seiko 6155 Movement Details
Seiko caliber 6155 is a high grade automatic (with hand winding) watch movement. Production started around 1970.
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| Sub-brands: | Grand Seiko |
| Day / date? | Date only |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Rate: | 36,000 bph |
| Number of jewels: | 25 |
| Size / diameter: | 27.0mm |
| Height: | 5.65mm |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| Notes: | Only released as model 6155-8000. The same as cal. 6156 but without day display (date only). |
| Related movements: | 6145 6146 6156 |
Part Codes
| Stem code: | 354616 |
| Balance wheel code: | 310617 |
| Mainspring code: | 201595 |
| Date wheel code: | 801615 |
| Screw codes: | 022150 (stud screw), 022252, 022269, 022270, 022271, 022351, 022372, 022458 (screw for oscillating weight), 022468, 022662, 022677, 022689, 022760, 022761 (dial screw) |