Seiko
HBC007J1
HBC007J1
The green-dial HBC007J1 combines gold-tone markers, a red GMT pointer, 200 m protection and a 72-hour Seiko 6R54 automatic calibre.

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Specifications
| Reference | HBC007J1 |
|---|---|
| Movement | automatic |
| Calibre | Seiko 6R54 automatic GMT, manual winding |
| Diameter | 39.5 mm |
| Power reserve | 72 hours |
| Water resistance | 200 m |
Omitted specifications have not been confirmed. From published article 2026-10-14. Original source ↗
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