
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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MWC collection · 34 watches












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Owners widely praise the Cooper Watches MWC Heavy Duty 300m Military Divers Watch in PVD Steel Case (Automatic) for its classic milsub design, stable ceramic bezel, and good lume. The slightly domed sapphire crystal and crown guards are noted as well-executed design elements. Accuracy of the Seiko NH35 movement varies, with one owner reporting -20/+40 seconds per day and another seeing +4 seconds per day after regulation. Overall, owners rate the Cooper Watches MWC Heavy Duty 300m Military Divers Watch in PVD Steel Case (Automatic) highly for its execution as a daily beater at the price.
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