
Miyota
Miyota's open-heart variant of the 9015 platform, featuring a skeletonized dial-side plate that exposes the balance wheel through a cutout in the dial. Shares the same reliable 28,800 vph architecture and 42-hour power reserve as the standard 9015. Popular among microbrands offering open-heart designs at accessible price points without resorting to Chinese movements.
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The San Martin SN0144-CG Business Dress is an automatic dress watch, with a 39mm 316l stainless steel case, 10.1mm thick, powered by the Miyota 90S5 movement. Water resistance is rated to 100m. Manufacturer MSRP is $368. The dial color is blue.
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