Seiko
A Seiko (TMI / Seiko Instruments) automatic GMT caliber — the export-market designation of the Seiko 4R34 — that adds a 24-hour fourth hand to the NH35 / 4R35 base. It runs at 21,600 vph with about 41 hours of power reserve, hacks and hand-winds, and has become the default affordable GMT for microbrands.
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Owners widely praise the Aquatico Sea Recon GMT Tritium Black Dial's spectacular lume, with one owner comparing its color and brightness favorably to a Pelagos LHD, and note its great readability in most lighting conditions. The watch is considered good quality for its price point, with some owners finding it an amazing value. One owner reports a rotor issue attributed to the Seiko movement after several years of ownership, while another criticizes the bezel action as stiff and notes a phantom date position on the crown. The consensus is that owners rate the Aquatico Sea Recon GMT Tritium Black Dial highly for its impressive lume and value at the price.
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