
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 24 Jewel 1982 Pattern 300m Automatic Military Divers Watch with Sapphire (Date) for its value, with one owner noting it at around $300CDN. The watch features a matte black dial and bezel, improved lume that lasts until morning, and a single domed sapphire crystal. The Seiko NH35 automatic movement is present, with reported accuracy ranging from +4 seconds per day to a stated -20/+40 seconds per day, and a 41-hour power reserve. The 40mm stainless steel case is considered a good daily wear size. Overall, owners rate the Cooper Watches MWC 24 Jewel 1982 Pattern 300m Automatic Military Divers Watch with Sapphire (Date) highly for its substantial upgrades and value proposition.
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