Ultrasonic Jewelry & Watch Cleaner 45kHz 0.68L – SPOT SJ-A3

Restore the Brilliance of Your Jewelry, Watches & Precision Parts

The SPOT SJ-A3 Ultrasonic Cleaner harnesses powerful 45kHz sonic wave technology to lift away grime, tarnish, and residue from jewelry, watch movements, clock components, and fine metal parts — all without the need for scrubbing or abrasive polishing. Simply add water (and a drop of cleaning solution if desired), place your items in the 0.68L tank, and let the micro-vibrations do all the work.

Whether you're a jeweler, watchmaker, hobbyist, or collector, this compact yet capable machine delivers a thorough, gentle cleanse in minutes. Its USB Type-C power input makes it easy to use at home or at a workbench without bulky power adapters.

Key Features

• 45kHz Ultrasonic Frequency – Generates millions of microscopic cleaning bubbles that penetrate every crevice for a deep, thorough cleanse
• 0.68L Tank Capacity – Spacious enough for rings, bracelets, watch bands, clock gears, and small metal components
• 35W Cleaning Power – Efficient and effective without being energy-hungry
• USB Type-C Powered – Convenient, modern power input compatible with most USB adapters and power banks
• Durable ABS Housing – Lightweight, sturdy, and easy to wipe clean
• No App Required – Simple, straightforward operation with no complicated setup
• Wide Application – Ideal for jewelry (rings, necklaces, earrings, bracelets), antique pieces, watch movements, clock parts, eyeglasses, and fine metal tools

What Can You Clean?

• Gold, silver, and platinum jewelry
• Watch cases, bands, and movement components
• Clock gears and antique metal parts
• Eyeglass frames and lenses
• Small tools and precision instruments

Specifications

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Frequently Asked Questions

Q: What types of items can I clean in the SPOT SJ-A3 Ultrasonic Cleaner?

A: The SJ-A3 is designed for a wide range of small items including gold, silver, and platinum jewelry (rings, necklaces, bracelets, earrings), watch cases and movement parts, clock gears, antique metal components, eyeglass frames, and small precision tools. It is ideal for any item that benefits from a thorough, gentle sonic cleanse.

Q: What liquid should I use in the ultrasonic cleaner tank?

A: Plain water works well for most everyday cleaning tasks. For more stubborn tarnish or residue on jewelry and metal parts, you can add a small amount of mild dish soap or a dedicated ultrasonic cleaning solution. Always ensure the item being cleaned is compatible with water or your chosen solution before use.

Q: How does the USB Type-C power input work?

A: The SJ-A3 is powered via a standard USB Type-C cable, meaning you can plug it into any USB wall adapter, computer port, or power bank that supports USB Type-C. This makes it flexible and easy to use at a workbench, desk, or anywhere with a USB power source.

Q: Is the 0.68L tank large enough for my items?

A: The 0.68L tank is well-suited for most jewelry pieces and small watch or clock components. It comfortably accommodates rings, earrings, pendants, watch bands, and small gears. For very large bracelets or bulky items, you may need to clean them in sections.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.