{"product_id":"tandorio-39mm-automatic-dive-watch-nh35-sapphire-20atm","title":"Tandorio 39mm Dive Watch – NH35 Automatic, Sapphire, 20ATM","description":"\n\u003ch2\u003eTandorio 39mm Automatic Dive Watch | NH35 Movement | Sapphire Crystal | 20ATM Water Resistance\u003c\/h2\u003e\n\n\u003cp\u003eMeet the \u003cstrong\u003eTandorio 39mm Automatic Mechanical Dive Watch\u003c\/strong\u003e — a precision-engineered timepiece built for adventurers, divers, and watch enthusiasts who demand reliability and style. Powered by the legendary \u003cstrong\u003eMiyota NH35A 24-jewel automatic self-winding movement\u003c\/strong\u003e, this watch delivers smooth, battery-free timekeeping you can count on. With a scratch-resistant \u003cstrong\u003esapphire crystal\u003c\/strong\u003e dial window, robust case material options, and an impressive \u003cstrong\u003e20ATM (200-metre) water resistance\u003c\/strong\u003e rating, this watch is ready for the deep end.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMovement:\u003c\/strong\u003e Miyota NH35A automatic self-winding, 24 jewels — reliable, accurate, and battery-free\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCase Diameter:\u003c\/strong\u003e 39mm — a classic, versatile size that suits most wrist sizes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCase Thickness:\u003c\/strong\u003e 12.2mm — slim enough for everyday wear\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCase Material:\u003c\/strong\u003e Choice of solid 316L stainless steel, bronze, or titanium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDial:\u003c\/strong\u003e Clean numberless design in brown\/silver — elegant and sporty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCrystal:\u003c\/strong\u003e Sapphire crystal — highly scratch-resistant and optically clear\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Resistance:\u003c\/strong\u003e 20ATM (20 Bar \/ ~200 metres) — suitable for swimming, snorkelling, and recreational diving\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCrown:\u003c\/strong\u003e Screw-down crown for superior water-tight sealing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStrap Width:\u003c\/strong\u003e 20mm leather strap with bracelet clasp\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCase Shape:\u003c\/strong\u003e Classic round\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Fashion-forward yet functionally sporty — transitions from ocean to office effortlessly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the Tandorio Dive Watch?\u003c\/h3\u003e\n\u003cp\u003eThe NH35A calibre is renowned in the watch community for its durability and accuracy, offering a power reserve of approximately 41 hours. The sapphire crystal glass resists scratches far better than standard mineral glass, keeping your dial looking pristine for years. The screw-down crown is a hallmark of serious dive watch design, ensuring the case is sealed tightly against water ingress even under pressure.\u003c\/p\u003e\n\u003cp\u003eWhether you're exploring the reef, hitting the gym, or sitting in a boardroom, the Tandorio 39mm wears beautifully. Its sub-42mm case keeps it versatile — large enough to make a statement, refined enough never to overwhelm the wrist.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/eagle-hawk-kite-bird-scarer-garden-bird-repellent\"\u003e1.1M Eagle Hawk Kite Bird Scarer – Garden Bird Repellent\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1300ml-wireless-portable-juicer-blender-bottle-multifunctional\"\u003e1300ml Wireless Portable Juicer Blender Bottle – Multifunctional\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAuthoritative Reference\u003c\/h3\u003e\n\u003cp\u003eFor guidance on water resistance ratings and watch care standards, visit the \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNational Institute of Standards and Technology (NIST)\u003c\/a\u003e, the authority on measurement and materials standards in the United States.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications at a Glance\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTandorio\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMovement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMiyota NH35A Automatic, 24 Jewels\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCase Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e39mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCase Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCase Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e316L Stainless Steel \/ Bronze \/ Titanium\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCrystal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSapphire Crystal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20ATM (200m)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStrap Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20mm Leather\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClasp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBracelet Clasp\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNumberless Dial\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the water resistance rating of the Tandorio 39mm dive watch?\u003c\/h4\u003e\n\u003cp\u003eA: The Tandorio 39mm dive watch is rated at \u003cstrong\u003e20ATM (20 Bar, approximately 200 metres)\u003c\/strong\u003e. This makes it suitable for swimming, snorkelling, and recreational scuba diving. The screw-down crown ensures the case maintains a watertight seal under pressure. Always ensure the crown is fully screwed in before entering water.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What movement does the Tandorio 39mm watch use, and is it reliable?\u003c\/h4\u003e\n\u003cp\u003eA: This watch is powered by the \u003cstrong\u003eMiyota NH35A automatic self-winding movement\u003c\/strong\u003e with 24 jewels. The NH35A is widely regarded as one of the most reliable and accurate automatic movements available in its price range, offering approximately 41 hours of power reserve and a frequency of 21,600 beats per hour. It requires no battery — it winds itself using the natural motion of your wrist.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What case material options are available for this Tandorio dive watch?\u003c\/h4\u003e\n\u003cp\u003eA: The watch is available in three case material variants: \u003cstrong\u003esolid 316L stainless steel\u003c\/strong\u003e (corrosion-resistant and durable), \u003cstrong\u003ebronze\u003c\/strong\u003e (develops a unique patina over time), and \u003cstrong\u003etitanium\u003c\/strong\u003e (lightweight and hypoallergenic, ideal for those with sensitive skin or who prefer a lighter watch).\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the sapphire crystal on this watch scratch-resistant?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. \u003cstrong\u003eSapphire crystal\u003c\/strong\u003e is one of the hardest materials used in watchmaking, ranking 9 on the Mohs hardness scale (second only to diamond). It offers excellent scratch resistance compared to standard mineral glass, keeping your dial clear and readable for years of daily wear.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the water resistance rating of the Tandorio 39mm dive watch?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Tandorio 39mm dive watch is rated at 20ATM (20 Bar, approximately 200 metres). This makes it suitable for swimming, snorkelling, and recreational scuba diving. The screw-down crown ensures the case maintains a watertight seal under pressure. 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