
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 praise the Raven MCTP - 39mm GMT for its 39mm case size and good legibility, with one owner noting a 47.5mm lug-to-lug and another a 46.5mm lug-to-lug. The bezel action and lume are also highlighted positively. One owner dislikes the brown GMT hand and leather strap, while another expresses concern about thickness, hoping for around 11mm. Overall, owners appreciate the Raven MCTP - 39mm GMT for its wearable dimensions and functional features, with some debate on its exact lug-to-lug measurement and thickness.
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