Seiko
Prospex Alpinist GMT SPB377J1
SPB377J1
A deep-blue Alpinist GMT with a red-tipped 24-hour hand, rotating inner compass and 72-hour automatic movement in a 39.5 mm steel case.
Price not confirmed
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Specifications
| Reference | SPB377J1 |
|---|---|
| Movement | automatic |
| Calibre | Seiko 6R54 automatic GMT |
| 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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