{"product_id":"seiko-mod-nautilus-40mm","title":"Nautilus 40mm — Seiko Mod Watch","description":"\u003cp\u003eThe Nomods Nautilus is a 40 mm solid-dial Seiko mod watch built on our Nautilus-style platform — the solid-dial counterpart to the Nautilus Skeleton. The 316L stainless steel case sits just 9.95 mm thick, giving this watch an ultra-thin profile that wears closer to a dress watch than most Seiko mods. Inside, the Seiko NH35 automatic movement delivers hacking, hand-winding, and a 41-hour power reserve. Sapphire crystal up front, integrated steel bracelet with the signature Nautilus-style links, and 50 m water resistance round out the build.\u003c\/p\u003e\n\u003ch2\u003eAvailable in Blue, Rose Gold, and Green\u003c\/h2\u003e\n\u003cp\u003eJump to: \u003ca href=\"#blue\"\u003eBlue\u003c\/a\u003e · \u003ca href=\"#rose-gold\"\u003eRose Gold\u003c\/a\u003e · \u003ca href=\"#green\"\u003eGreen\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3 id=\"blue\"\u003eBlue — sunburst navy dial\u003c\/h3\u003e\n\u003cp\u003eDeep navy sunburst with cobalt shifts in angled light. Pairs the cleanest dress aesthetic with the Nautilus integrated bracelet — the most versatile of the three colourways.\u003c\/p\u003e\n\n\u003ch3 id=\"rose-gold\"\u003eRose Gold — warm pink-gold finish\u003c\/h3\u003e\n\u003cp\u003eSoft pink-gold case treatment with a matching sunburst dial. The dressiest of the three colourways, and the one Spanish-language searchers ask for as \u003cem\u003eoro rosa\u003c\/em\u003e.\u003c\/p\u003e\n\n\u003ch3 id=\"green\"\u003eGreen — sunburst forest dial\u003c\/h3\u003e\n\u003cp\u003eForest-green sunburst dial with subtle olive undertones; a less-common Nautilus colourway with quiet character.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Size\u003c\/td\u003e\n\u003ctd\u003e40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e9.95 mm (ultra-thin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e316L Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMovement\u003c\/td\u003e\n\u003ctd\u003eSeiko NH35 (automatic, hacking, hand-winding)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Reserve\u003c\/td\u003e\n\u003ctd\u003eApprox. 41 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrystal\u003c\/td\u003e\n\u003ctd\u003eSapphire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Resistance\u003c\/td\u003e\n\u003ctd\u003e50 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDial\u003c\/td\u003e\n\u003ctd\u003eSolid sunburst, 30.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDial Size\u003c\/td\u003e\n\u003ctd\u003e30.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBracelet\u003c\/td\u003e\n\u003ctd\u003eIntegrated stainless steel, Nautilus-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaseback\u003c\/td\u003e\n\u003ctd\u003eScrew-down stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLume\u003c\/td\u003e\n\u003ctd\u003eApplied indices with luminous fill\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis is a fully assembled watch built on the Nautilus platform. The modular design allows component swaps:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDial:\u003c\/strong\u003e Pre-installed sunburst 30.8 mm dial — Replaceable with any 30.8 mm dial compatible with NH35\/NH36 movements, including our \u003ca href=\"\/products\/nautilus-skeleton-dial-30-8mm\"\u003eNautilus Skeleton Dial 30.8mm\u003c\/a\u003e if you want to switch to a skeleton look.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHands:\u003c\/strong\u003e Pre-installed Nautilus-style hands — Replaceable with any NH-series compatible hands, such as the \u003ca href=\"\/products\/royal-oak-hands-v1-silver\"\u003eRoyal Oak V1 Silver Hands\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully assembled Nomods Nautilus watch in your selected colourway\u003c\/li\u003e\n\u003cli\u003eIntegrated stainless steel bracelet (pre-installed)\u003c\/li\u003e\n\u003cli\u003eWatch box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned by Nomods\u003c\/h2\u003e\n\u003cp\u003eThe Nautilus 40mm is our own take on the integrated-lug, sport-luxury silhouette. The case is CNC-machined from 316L stainless steel, brushed and polished by hand, and the integrated bracelet flows directly from the lugs — no spring bars, no break in the line. The 9.95 mm thickness keeps the watch slim and wearable for daily use, and the 30.8 mm dial opens up the broader Nomods dial catalogue for future builds. Every watch is checked individually before shipping.\u003c\/p\u003e\n\u003ch2\u003eBrowse Collection\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/nautilus-style-parts\"\u003eNautilus 40mm Seiko Mod Parts\u003c\/a\u003e — \u003ca href=\"\/collections\/seiko-nautilus\"\u003eAll Seiko Nautilus Mods\u003c\/a\u003e — \u003ca href=\"\/collections\/nautilus-style-parts\"\u003eNautilus Mod Parts\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNomods is an independent brand specializing in Seiko-compatible watch modifications. We are not affiliated with, endorsed by, or connected to Seiko, Rolex, Audemars Piguet, Patek Philippe, or any other watch brand mentioned on this site. All brand names and trademarks are the property of their respective owners and are used solely for descriptive and comparative purposes.\u003c\/em\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"@id\": \"https:\/\/nomods.co\/products\/seiko-mod-nautilus-40mm#product\",\n  \"name\": \"Nautilus 40mm — Seiko Mod Watch\",\n  \"description\": \"40mm Nautilus-style Seiko mod watch in three sunburst colorways (Blue, Rose Gold, Green). 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