
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 praise the Buyalov РР03 Акула's original and rugged design, appreciating its unique dial texture and case finishing, with some noting the Seiko NH35 movement keeps good time. However, the watch's substantial 44.83mm case and 56.3mm lug-to-lug distance are frequently cited as too large for smaller wrists, and one owner found the polished caseback clashed with the brushed case. The price is considered acceptable by some, while others feel it is too high for the brand. Overall, owners rate the Buyalov РР03 Акула highly for its unique design and rugged appeal, despite concerns about its substantial size.
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