Isobrite Master Diver ISO503 Silver Watch NBR Rubber - Sportique

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Isobrite Master Diver ISO503 Silver Watch | NBR Rubber

The Isobrite ISO503 Master Diver Watch is an exemplary example of why T100 Tritium Illumination is an amazing innovation worth the investment. You try diving down to 1000 feet and see if you can read your watch. Visible in the lowest of light conditions without a battery, and built with a Swiss construction, the Isobrite Master Diver is both elegant as a daily wear, and a life saver at the greatest depths.

  • Movement: Swiss Ronda 715Li Quartz
  • Battery: 10-year lithium battery
  • Crystal: Anti-reflective scratch resistant sapphire crystal
  • Case Construction: Stainless Steel
  • Case Diameter: 46mm
  • Case Thickness: 14mm
  • Crown: Screw-down
  • Bezel: Unidirectional ratcheting
  • Band Material: NBR Rubber
  • Band Width: 22mm
  • Band Clasp: Deployment buckle
  • Maximum Wrist Circumference: 9.75
  • Water Resistance: 300 meters (30 ATM / 1,000 feet)
  • Warranty: 2 years
  • Extras: Elegant display case

Free Shipping on All Domestic Orders

See international and additional shipping information here. Tax is only charged if shipping to California.


If, for any reason, your purchase wasn't exactly perfect, we honor return requests within 30 days from the original purchase date. To be eligible for a return, your item must be unused and in the same condition that you received it in. It must also be in the original packaging. Customer is responsible for return shipping costs. To initiate a return, please fill out the quick form at the bottom of our Returns Page.

Please note that special or custom-made orders are non-refundable, as well as any body care or hygienic products (you wouldn't want to purchase used body wash, right?).

For large adventure and furniture items, such as kayaks or paddle boards, a 20% restocking fee will be incurred as we do team lifts to repackage and put these heavy items back into storage.

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