SBGJ273 GMT “GMT”
MSRP $6,900 — grey market -14%
eBay asking prices
47 active listings · as of 2026-07-31
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- Discontinued+5%
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Market References
Variant guide
Hi-Beat GMT movement combines high-frequency accuracy with a practical second time zone function.
Buyer's guide
A strong alternative to Swiss GMT watches, combining Grand Seiko's finishing with genuine dual-timezone utility.
Seller's guide
GMT function and Zaratsu case polishing together make this a strong value story for informed buyers.
