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 San Martin Automatic Dive SN0123G for its exceptional value, noting fantastic lume and construction for the price. The sand-blasted steel finish and bead-blasted hardware on the included NATO strap are frequently highlighted. Some owners find the 44mm case size too large for smaller wrists, though others appreciate its tool watch utility and the bezel's functionality for tracking a second time zone. On balance, owners rate the San Martin Automatic Dive SN0123G highly for its impressive finishing and tool watch features at an accessible price point.
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