
Seiko
Seiko's third-party supply version of the 4R35, sold to external watch brands and modders worldwide. Adds hacking and hand-winding over the 7S26 it effectively replaced. The NH35 has become the default automatic movement for watch modding and microbrand watches, thanks to its low cost, reliability, and wide availability of compatible parts including dials, hands, and cases in the Seiko-compatible format.
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Owners widely praise the Addiesdive 39mm Luxury NH35/8215 Automatic Watch AD2091 for its excellent finishing, especially its case, which some find comparable to Seiko's, and its handsome vintage Submariner homage design. The 39mm case is noted as comfortable and wearable, with some owners reporting impressive accuracy, such as -3 seconds over six months. However, the bracelet is frequently described as significantly worse than Seiko's, and one owner reported poor power reserve and a need for manual winding. Other criticisms include a loose, rough-feeling bezel, an uncomfortable crown, and weak fauxtina lume on the hands, though one owner noted bright BGW9 lume lasting until early morning. The water resistance claims are also noted as confusing. Overall, owners rate the Addiesdive 39mm Luxury NH35/8215 Automatic Watch AD2091 highly for its impressive finishing and wearability at its price point, despite noted drawbacks in the bracelet and bezel.
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