
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 Islander JFK Automatic GMT Watch with Sunset Orange Dial #ISL-356 for its solid construction and excellent lume, noting its good value. It is considered a well-made, all-purpose vacation watch offering GMT functionality and 200m water resistance for under $400. On balance, owners rate the Islander JFK Automatic GMT Watch with Sunset Orange Dial #ISL-356 highly for its robust build and practical features at an accessible price point.
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