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Miyota
Miyota's GMT complication caliber built on the 90-series platform, featuring an independently adjustable 24-hour hand for tracking a second time zone. At 28 jewels it has the highest jewel count in the Miyota automatic lineup. The 5.67mm height accommodates the additional GMT wheel train, and the true GMT function with jumping local hour hand makes it a compelling alternative to Swiss GMT movements at a fraction of the cost.
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Owners and reviewers widely praise the Jack Mason Strat-o-timer GMT: Americana (Sapphire Bezel) for its true GMT functionality, often noting the independently settable hour hand and in-house regulation of the Miyota 9075 movement to +/-5 seconds per day. The watch is frequently highlighted for its excellent value, feeling more expensive than its price point with a well-proportioned 40mm case featuring a combination of brushed and polished surfaces, a sapphire crystal, and 200m water resistance. Some reviewers mention the strap ends are a bit large and the hour markers are described as chubby, while one owner noted the GMT hand itself is not independently settable. Overall, owners and reviewers rate the Jack Mason Strat-o-timer GMT: Americana (Sapphire Bezel) highly for its true GMT complication and exceptional value at its price point.
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