San Martin BB GMT Watch sn0054


SKU: SN0054

Fedex/DHL/UPS Shipping (typically 5 days)

30-Days Returns

3-Year Warranty



Whoever has experienced travelling abroad will see a problem while wearing a watch, which tell the time in one location only, and you will expect a watch that can tell the time of your hometown. Luckily, the San Martin BB GMT watch sn0054 offers the solution!

This watch is a homag design of Black Bay GMT Watch. Quite compact, still sporty, colourful, equipped with reliable Seiko gmt automatic movement NH34, a high accuracy within -10~+10 seconds per day. With classic specifications, and a fixed bezel with a 24-hour scale. The clear dial design is easily to read the time.

Classically designed, sapphire crystal, the 316L stainless steel case is finished with polished and brushed surfaces and comes with a screw down crown and case back to give this watch  10atm water resistant, the micro adjustment clasp make it possible to change the bracelet size without any tool. This san martin bb gmt watch will not let you down.

  • Case: 316L Stainless Steel Case
  • Case Diameter: 39 mm
  • Thickness: 12.5mm
  • Lug width: 20mm
  • Movement: Automatic NH34 GMT movement
  • Crystal: Sapphire with inner anti-reflective coating
  • Lume: Superluminova BGW9 ( hands and indices)
  • Bezel: Unidirectional stainless steel bezel
  • Crown: Screwed down crown
  • Bracelet: 316L stainless steel rivet bracelet with solid end links
  • Clasp: Milled folding clasp
  • Water Resistance: 10 ATM – 100 meters
  • Weight: 143 g


Free worldwide shipping on all orders over $120.

Warranty for our products is 3 years from shipping date. The warranty does not cover any damage on any part of the watch resulting from abnormal use, lack of care, negligence, accidents, incorrect use of the watch and non-observance of the directions provided by Sino Watches.

3 reviews for San Martin BB GMT Watch sn0054

  1. 5 out of 5


    I didn’t expect I can receive my watch in 5 days, great experience! This is my second San Martin watch, the first one was bought on Aliexpress, but it took around a month to get it. I am pretty sure I will come back here for my next san martin watch.

    • admin

      We are delighted to hear you are happy with this purchase experience!

  2. 5 out of 5


    In the past, I have consistently gotten around $90 watches from companies like pagani design. This brand is fine for the price. I finally proved to myself that I could go for a higher quality one, so I was confident in spending more for the perfect watch. The san martin bb gmt watch has caught my eye for a long time now. The sn0054 watch got a lot of positive feedback, which implied this must be one of the best homage watch to bb gmt. however the brushed case side always annoyed me, I finally decided to make the mirrow polishing case side by myself and pull the trigger.

    This company makes the experience even much better than I had from the san martin official store. 1 month ago I bought the sn0054, I had to fly for a work trip and I put the watch to my bag. When I returned from my trip, I found the clasp got scratched since my ridge wallet (titanium) was together with the watch in the bag. I wrote to Sino watch to explain the situation, not expecting much. They in turn, provided me with a new clasp which blew my mind.

    • admin

      Thank you for your positive feedback!

  3. 5 out of 5

    Chris Rose

    Very nice watch. This san martin gmt watch is a quality top level, like literally feels luxurious and looks luxurious. It has kept great time also, which is not the case with all my Automatic watches. Order time was fast, I am happy with this purchase experience at your store.

    • admin

      Thank you for your feedback! We’re delighted to hear you’re enjoying your new watch.

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