Mechanical Jewelry: The Ring Clock

Ring clock jewelry
Ring Clock gives us the time on hand fingers. This is a beautiful marriage of the ring and the watch.
Ring clock that gives us time on our hand

Technical specifications of Ring Clock:

Materials – For making this Ring Clock, Stainless steel material is used for jewelry and watches with 316L being the type commonly used for such applications.
LED Lights – A LED lamp is a solid-state lamp that uses light-emitting diodes (LEDs) as the source of light. LED lamps offer long service life and high energy efficiency.
Wireless charging – Qi is an interface standard developed by the Wireless Power Consortium for inductive electrical power transfer over distances of up to 4 cm.
Water-resistant – Suitable for everyday use. Splash/rain resistant. NOT suitable for showering, bathing, swimming, snorkeling, water related work and fishing.
Energy saving – Automatic turn off after 1 minute. Our next task is to allow the rotational kinetic energy to give the power to the LED lights meaning that the next version of Ring Clock can be fully environmentally friendly.

Specification of the prototype:

Ring body material: 316L surgical stainless steel (allergy free)
Light source: 144 energy save Ultra thin mono-color LED
Light color: blue or orange LED (optional)
Lighting time: displays for 1 minute after the rotation of the ring
Battery specification: 6 mAh, ultra thin rechargeable lithium polymer battery
Running time: 1 week with normal use (15 times activation per day) or 2 hours constant use

Ring Clock gives time on hands

Ring Clock Dimensions:

Width: 14 mm
Thickness: 3-3.5 mm
Size (inside diameter): 15.7-23.8 mm

You can purchase this ring clock jewelry from

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Vinodh Reddy is a Mechanical Engineer and Editor-in-chief of ME Mechanical. He holds a Bachelor of Engineering (Honours) degree in Mechanical Engineering. He also blogs at EduGeneral. He is interested in the farming field.

All Comments

  • This is so awesome!

    Jim Nema Dec 24, 2016 1:39 am Reply

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