Seamaster 300

“Seamaster 300 Co-Axial MC”

Introduced in 2021, this Seamaster 300 Co-Axial Master Chronometer marks the heritage diver's generational refresh in 41 mm steel. The black dial and black bezel echo the earlier reissue, but the movement is updated to the calibre 8912 — automatic, 60-hour reserve, running at 25,200 vph — and the…

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