Undive Watches is a new microbrand from Hong Kong. Founded in 2015, the company spent two years developing their first diving watch, which is now ready for production and waiting for your support on a crowd funding platform. 

Undive Dark Sea 500m ticks a lot of boxes to be one of the most interesting microbrand dive watches in 2017. First of all, let’s talk about the design. Dark Sea 500m takes design cues from Seiko iconic divers, namely 6105. The shape of the case is hard to mistake with any another dive watch out there, and I’m happy that microbrands such as Undive can recognize it. Ultimately, I’m far more interested in seeing a dive watch that’s inspired by classic Seiko models than yet another Rolex Sub homage. At the same time, Dark Sea 500m it’s not a direct copy of Seiko 6105, it merely imitates the overall shape of the famous Seiko.

Undive Dark Sea 500m

Dark Sea 500m sports a quite a chunky stainless steel case, which is 45 mm in diameter, 15,4 mm high, and 50 mm lug to lug. While definitely not small, it should be quite comfortable watch to wear given the relatively short lug to lug distance. There are going to be two options to choose from: Cold Steel, which is all stainless steel model, and Black Storm, which features DLC coated brushed bezel. Both bezels have 120 clicks. The case has been equipped with a Helium escape valve at 9 o’clock in order to cater to people who are interested in saturation diving. Similarly to Seiko 6105, the screw-down signed crown is located at 4 o’clock position, which partially integrated into the case itself for additional protection. The watch has an impressive water resistance of 500 meters, which is more than enough to use it as a professional diving tool.

Undive Dark Sea 500m
Undive Dark Sea 500m

The dial of Undive Dark Sea 500m is highly legible thanks to big hour markers, which are filled with Super Luminova BGW9. At 3 o’clock, there is a date window, which has a nice turquoise boarder. This turquoise color is also used on the seconds hand and on the chapter ring to add a little life to this matte black dial. I think it works really well here and such small accents can really make the watch pop and make it stand out of the crowd. One of the unique characteristics of the Undive Dark Sea 500m is another small accent on the seconds hand, which Undive calls the Red Eye. It’s a small lume dot, which is red in daylight but the lume actually glows white when the light goes off. It’s such small details as this that makes you realize you are dealing with a company, which knows their craft. It’s even more impressive when you think that’s Undive’s first watch! Finally, the whole front of the watch is protected by a high quality domed sapphire crystal.

Undive Dark Sea 500m Cold Steel

Undive Dark Sea 500m is powered by trusty NH35 automatic movement. The NH35 fits in here very well due to the fact that’s a movement developed and manufactured by Seiko. This 21,600 bph movement features hacking and hand winding, as well as day function and 41 hours of power reserve.

Undive Dark Sea 500m Black Storm

I have to say that I’m really impressed with Undive and their Dark Sea 500m model. It’s obvious that the people behind the company really know their craft and really thought everything through. I’m looking forward to seeing the final results and hopefully to bring you a full review on Lug2Lug. But in order to make it come true, Undive needs your support on the upcoming Kickstarter campaign. The campaign is going to launch late July or early August. The early bird prices starts at $436 USD for Cold Steel version and $460 USD for Black Storm with a DLC bezel. Be sure to visit Undive website for more information and to subscribe to their newsletter to get notified on the upcoming Kickstarter launch.

Model Undive Dark Sea 500m
Diameter 45 mm
Thickness 15,4 mm
Lug to Lug 50 mm
Lug width 22 mm
Crystal Domed sapphire crystal
Movement NH35 Automatic, 41 hours of power reserve
Water resistance 500 m
Price $436 USD Early Bird at Kickstarter – sign up to get notified
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About Author

Watch enthusiast who loves to take photos of his watches, blogger, and founder of Lug2Lug.

  • Mike V

    This is a great looking watch that could make an excellent choice for diving, however, it won’t be taken seriously by divers until is has numbers on the bezel. The maxi dial is great for diving and a more prominent minute hand would better complement it. As you said, this is a most interesting watch.

  • dennis

    Thanks for the review, but this watch does not push all the buttons for a dive watch. They may
    have their eye on Seiko, but that’s all they have, and at $436 early bird order, good luck.