
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.
Explore Climbing Series collection · 13 watches












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Owners widely praise the Addiesdive 39mm Sapphire Crystal Automatic Watch Field Watch AD2074 for its exceptional value, with many calling it unbeatable for the price, citing the sapphire crystal and Seiko NH35 automatic movement as key highlights. The 39mm case dimensions are considered well-proportioned for average wrists. One owner notes the screw-down crown unwinds smoothly with a pleasing logo detail. Conversely, a reviewer criticizes the bezel's rough edges and easy rotation, along with an uncomfortable crown, and points out the small date window and absence of AR coating on the crystal. One owner reported a significantly short 12-hour power reserve, requiring manual winding. Overall, owners rate the Addiesdive 39mm Sapphire Crystal Automatic Watch Field Watch AD2074 highly for its impressive feature set and wearability at its price point.
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