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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Diver collection · 3 watches
2 colorways
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Owners praise the Minus-8 Diver GMT for its value, citing the $450 price point, Seiko NH34 automatic movement, 200m water resistance, and sapphire crystal. One owner reports impressive accuracy at -2 seconds per day, noting the brand's movement regulation. The modern grey aesthetic and titanium case are also highlighted as positives. One owner described the Minus-8 Diver GMT as "chonky" and liked it. Overall, owners rate the Minus-8 Diver GMT highly for its strong value proposition and modern styling at the price.
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