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Scratch-Resistant Sapphire Crystal Glass 
21-Jewel Skeletonized Automatic Movement by Seagull
Powered By Your Kinetic (Day-to-Day) Movement
Water Resistant Up To 5 ATM
30-Day Returns & 2 Year International Warranty


Beats 21,600bph with 21 Jewels
Movement Custom Skeleton Automatic By Seagull
Power Reserve Up to 36h
Case 316L Stainless Steel (42mm)
Strap Premium Silicone (20cm)
Hands Luminous
Water Resistance 5ATM(50m)
Winding Bi-Directional Auto & Self-Wind


  • Make sure the crown is pushed in.
  • Rotate the crown in a clockwise direction for 20-30 full rotations .This will provide the watch with enough energy to operate solely off the movement of your wrist.
  • If the watch is not worn for 15-20 hours this process will need to be repeated.

One of the most eye-catching timepiece types is the skeleton watch, due to the open-face design. The ability to see the inner workings of a chosen device sets skeleton watches apart from any other watch type.They have distinct designs and intricate composition that initiates conversation, both about the style and the machinery that makes the watch keep impeccable time.

All JOHN.B watches receive a 2-year warranty from the date of purchase.If you run into any defective issues with your watch, simply contact us by email and we will resolve any of your issues and make it as easy for you as possible.

1 Review Hide Reviews Show Reviews

  • 5

    Posted by Jerry Dylan on 13th Oct 2021

    I own several watches but never a see through one and what i can say that i was missing out , to watch how a watch operates it’s mesmerising. Feels comfortable on the wrist not to big not so small just perfect !

Sapphire glass is the premier league when it comes to watch crystals. It is brilliant, highly-transparent and extremely strong in terms of its structure. Its most outstanding feature is its excellent resistance to scratches.

Fitted with green lume markers for  nocturnal visibility.

316L is the superior choice for high corrosion and high temperature applications. Since 316L contains less carbon than 316, it has better intergranular corrosion resistance, meaning its welds won't decay, unlike with 316 stainless steel.

Water resistance actually refers to how much pressure the watch can handle and it’s typically measured in atmospheres (ATM), bars, meters, or feet.