Lum-Tec B31 Bronze Watch Nylon Strap - Sportique

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Lum-Tec B31 Bronze Watch | Nylon Strap

Lum-Tec crafted the B31 Bronze Watch using their Maximum Darkness Visibility technology. Each Lum-Tec watch is finished with eight layers of ultra bright glowing Super-Luminova photo-luminescent material. Made with sapphire crystal, this watch is finished with clear double side anti-reflective coating. Complete with a brown nylon strap, this rugged watch is great for any occasion.

  • 43mm width excluding crown
  • 22mm lug width
  • 13mm thick
  • Weight on leather strap 107gr/3.8 oz.
  • Solid CuSn8 bronze case
  • 300 meters/990 ft. water resistance
  • LÜM-TEC MDV Technology®
  • Precision tuned 28,800 BPH Miyota 9015 Japan automatic movement
  • Calendar
  • Thick sapphire crystal
  • Double side clear anti-reflective coating
  • Threaded 316L stainless steel with sapphire display caseback
  • Screw-lock bronze crown with double diamond sealing system
  • 4 Nylon Straps: Black, Green, White, Brown
  • 1 year limited warranty
  • Limited numbered series of 100
  • Free lifetime timing adjustments 

Free Shipping on All Domestic Orders
Shipping from San Francisco, CA

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 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. We're sorry about that!

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