
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.
2 colorways
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The True North Pan Am x TNC GMT is an automatic watch, with a 39.5mm case, 14.89mm thick, powered by the Seiko NH34 movement. Water resistance is rated to 100m, under a mineral crystal. Manufacturer MSRP is $360.
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