Luminox Sea XS.3121.BO Blackout Pacific Diver Quartz Watch

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Product Details


The case used on this Luminox Pacific Diver Blackout XS.3121.BO is made from high-grade 316L stainless steel. This is marine grade stainless steel which is a perfect fit for this timepiece. It is used on the side of the case, back and on the crown for ultimate quality and protection. A screw in case back ensures 200m of impermeability, it also features Luminox's motto 'every second counts'. This allows the watch to be submerged to depths reached when diving. The black bezel is uni-directional and easy to rotate thanks to the tall-grip sides. The sapphire crystal glass is slightly lower than the case which will provide it with protection against knocks. It had been treated to an anti-reflective coating to prevent glare from the sun or a torch at the bottom of the sea.


The nightly motif that adorns this timepiece is extended through to the blackout design of the dial. The black hour markers, Luminox logo and date window make for a sleek looking watch. The blackout colour scheme is only comprised by the red tipped seconds hand, luminous coated hands and luminous inserts on the chapter ring, which allow for legibility and 24/7 night time readability for up to 25 years.


This Pacific Diver comes on a comfortable genuine rubber strap, which offers versatility and functionality due to its durability. In the inside of the strap it features the Luminox logo pressed into it. It fastens easily and securely using a standard buckle.


Swiss quartz movement powers this timepiece, ensuring superlative accuracy. It has a water resistance of 200 metres, meaning that it can be used for scuba diving.

Shipping Policy

Domestic Shipping Rates

Domestic USPS First Class
(3 to 5 business days) w/ Delivery Confirmation
*Processing time may vary based on Brand availability

FREE over $50.00

Domestic USPS Priority
(2 to 3 business days) w/ Delivery Confirmation
*Processing time may vary based on Brand availability

  • We do our best to ship items that are in stock within 1 - 2 business days.
  • The shipping applies to the items "in stock". Some in stock items are stored at warehouses outside of our main facility. These items will have a delayed shipping time in which case you will be notified via email of the new arrival date.
  • Expedited shipping will be refunded upon notification of out of stock items.
  • Items that are back ordered or out of stock can still be ordered, they will ship within the date provided and we will update you via email.
  • Free shipping offers exclude watch repair services.

International Shipping Rates

We are not responsible for delays due to Customs. Please be prepared to pay local duties and taxes on your items, it is your responsibility to find out the rules and regulations for your country. We prepare Customs forms with accurate information. If your package is unclaimed by you and returned to us by your Customs Office, any fees incurred will be deducted from the amount of your refund.

UPS Worldwide Expedited to Canada
(3 to 6 business days)
*Processing time may vary based on Brand availability
UPS Worldwide Expedited International
(3 to 6 business days)
*Processing time may vary based on Brand availability

Other Shipping Questions?

Contact one of our expert customer service agents for assistance at 877-805-9988 or


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Return Policy


Total Watch Repair tries its best to satisfy every customer. If, for some reason, you are not completely satisfied with your purchase, our 30-day money back guarantee gives you time to make sure your purchase is perfect. If you need to return it for any reason, we'll happily provide you with an exchange or refund.

Return Process

  • If you are not fully satisfied, returns are accepted for 30 days from order date.
  • There is no restocking fee, Shipping charges are not refundable.
  • Product must be in the condition it was received in - "As New" condition - product cannot be worn, bent out of shape, soiled, marked, scratched, or missing pieces.
  • Tracking is recommended for return items. TotalWatchRepair is not responsible for products that have not been received.
  • Customers are responsible for return shipping (except if product is defective or the mistake is on behalf of TotalWatchRepair).
  • Refunds are issued upon receiving the returned items every effort is made to process returns and exchanges within 24-48 hrs.
  • Customized watch bands must be paid in full and are not returnable for any reason what so ever.
  • If you are exchanging an item a reship charge of $3.50 will be applied.

How to Process a Return

  • Include a copy of your invoice, and notate whether you would like a return or an exchange for a different or a proper fitting item.
  • Send back the item using any plain box or padded secure envelope. 
  • Address package to:

Attn: Returns 
17145 Ventura Blvd Unit A
Encino , CA 91316

How people feel about Total Watch Repair
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