Technical Features

dive watches 


Ceramic inlay bezel 

Time Locker is all about quality and style. The ceramic bezel of our watches is setting them apart.

Such a feature is usually only available with expensive high-end watches. We want to democratize such a bezel and make it available for all watch aficionados.

We opted for a ceramic bezel as ceramic does not scratch. Your Time Locker dive watch will maintain its beautiful look over the years.

Here is another reason why we love this bezel. All markings are etched and coated with C3 Swiss Super-LumiNova lume.

C3 Super-LumiNova lume

Deep under the sea, the visibility is at its lowest. No matter the level of clarity, a combat diver has to see his watch. Thanks to the lumed indices of his dive watch, this is possible.

Our dive watches feature C3 Swiss-made Super-LumiNova lume.

The numerals and hands of our watches are hand-painted with three layers of C3 Swiss-made Super-LumiNova lume. This increases the brightness of the lume. As a result, our numerals and markings have stronger visibility under low light or no light conditions.


Double domed crystal sapphire crystal

A double domed sapphire crystal glass offers:

  • A stronger built as the domed crystal dissipate the forces of impact.

  • A beautiful dial thanks to less optical distortion.

  • A comfortable reading of the dial.

We designed our watches with the intent to deliver robust timepieces. This is the least you can expect from a military-inspired diving watch.

Quality matters. That’s why the Time Locker watches have a sapphire crystal glass. As a homage to vintage military watches, our sapphire crystal is double dome with a thickness of 3.20 mm.

For your own comfort, we applied anti-reflective coating (AR coating) on the inside of the double domed sapphire crystal.

Automatic dive watches 

The Japanese automatic movement Seiko NH35A powers the Kouriles, Tonga and Kermadec.

We opted for this movement as it has built over the years a strong reputation among watch aficionados. The Seiko NH35A is known to be a real workhorse. It’s a strong and reliable movement. It has been widely used for military and diving watches.

Under its hood, you will find the following specifications.

  • Power reserve: 41hours

  • Beats: 21,600 bph (beat per hour)

  • Jewel: 24 jewels

  • Functions: hours, minutes, central seconds and date

For us, an automatic movement is like a heart… Each beat brings the watch to live.

Time Locker diver watch technical drawings


Stainless steel case

No matter your lifestyle, you want a watch that lasts… A timepiece that will not break down. Our watch case is made with surgery grade stainless steel 316L. This high-grade steel is hypoallergenic, reliable and robust. No matter your lifestyle, it will not rust.


Water resistance

With a water resistance of 200 meters (660 feet / 20 ATM), your Time Locker dive watch is your perfect companion for your next aquatic adventures. You don’t have to be a diver to want to wear a watch with a water resistance of 200 meters. With its screw down crown and waterproof case, your watch will not fear water, humidity or dust.