Tandorio 42mm NH35 Square Dive Watch | AR Sapphire 150m

Tandorio 42mm Square Mechanical Dive Watch — NH35 Movement, AR Sapphire Crystal, 150m Water Resistance

Elevate your wrist game with the Tandorio 42mm Square Automatic Dive Watch — a bold fusion of classic dress-watch proportions and serious dive-watch capability. Powered by the legendary Japan Seiko NH35 automatic movement and shielded by double-sided AR-coated sapphire crystal, this watch is built to impress at the office and perform at depth.

Made in Mainland China.

Why Watch Enthusiasts Love This Piece

• Japan NH35 Automatic Movement — One of the most respected and reliable movements in the enthusiast market. Self-winding with manual-wind capability, running at 21,600 bph with a 41-hour power reserve.
• AR Sapphire Crystal (Front & Back) — Anti-reflection sapphire glass on both the dial side and the exhibition caseback provides extreme scratch resistance and a crystal-clear view of the movement.
• 150m (15 ATM / 10 Bar) Water Resistance — Rated for serious water sports, snorkelling, and recreational diving.
• 42mm Square 316L Stainless Steel Case — The square silhouette stands out from round dive watches while the 11.8mm slim profile keeps it dressy and comfortable.
• Rotating Chapter Ring (GMT Bezel) — The crown at 4 o'clock controls the rotating GMT chapter ring, letting you track a second time zone with ease.
• Luminous Hands & Markers — Glows in the dark for easy reading in low-light or underwater conditions.
• Screw-Down Crown — Ensures the water-resistance seal is maintained during water activities.
• Stainless Steel Bracelet with Leather Deployment Buckle — 23mm band length with a 13mm lug width offers a secure, refined fit.
• Available Dial Colors: Black, White, Ice Blue — choose the style that matches your personality.

Full Specifications

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Further Reading

For guidance on water-resistance ratings and what they mean for everyday wear and diving activities, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer product safety standards.

Frequently Asked Questions

Q: Is the Tandorio NH35 watch suitable for scuba diving?

A: The watch is rated to 150 metres (15 ATM / 10 Bar) of water resistance, which is suitable for recreational surface water sports and snorkelling. For scuba diving we recommend checking with a professional watchmaker to ensure the screw-down crown and seals are fully tested before submerging to depth, as per standard dive-watch practice.

Q: What is the NH35 movement and why is it popular?

A: The Japan Seiko NH35 is an automatic (self-winding) movement widely respected for its reliability, accuracy, and repairability. It beats at 21,600 bph, offers a roughly 41-hour power reserve, and can also be hand-wound — making it a favourite in the watch enthusiast community as a workhorse automatic calibre.

Q: What does AR Sapphire Crystal mean?

A: AR stands for Anti-Reflection coating. The sapphire crystal is coated on one or both sides to reduce glare and reflections, making the dial significantly easier to read in bright sunlight or under artificial lighting. Sapphire itself is rated 9 on the Mohs hardness scale, making it virtually scratch-proof in everyday use.

Q: Can I change the strap on this watch?

A: Yes. The 13mm lug width means you can swap to any compatible 13mm strap — leather, rubber, or NATO — for a completely different look. The standard configuration comes with a stainless steel bracelet and leather deployment buckle.

Q: What dial colours are available?

A: This watch is available in three dial colours: classic Black, clean White, and the striking Ice Blue. Select your preferred option from the variant selector above.