Master Tinkerer

13/09/2026

Casio F-B100W-1A Made it to Amazon
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The Casio F-B100W-1A is a sleek and functional digital watch that seamlessly blends classic retro styling with modern technology. Featuring built-in Bluetooth connectivity, this watch pairs with your smartphone to keep you connected and on track throughout your day. The integrated Step Tracker fu...

12/09/2026

Can you put a Titanium Bezel on the GBX-H5600? | Mod Test

12/09/2026

Combi Bracelet on a Mudmaster?! | GWG-B1000 Mod

12/09/2026

GW-9400 Rangeman Negative to Positive LCD | Black Button Upgrade

11/09/2026

Fixing the visibility issues on the Casio Rangeman GW9400-3
Coming Soon!
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Casio Rangeman GW9400-3 AS MB6 Twin Sensor Wristwatch

10/09/2026

Casio G-Shock GWG-B1000-1AJF Master of G Series MUDMASTER Flagship Model Triple Sensor
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https://www.amazon.com/dp/B0CJJ87DH6/ref=cm_sw_r_as_gl_api_gl_i_DXK6PM49DNDPQG7HS0PK?linkCode=ml1&tag=mastertinkerer-20&linkId=f766681bbedee8a1d69ec8d2501e86ae&gaOptInStatus=true

The MUDMASTER from G-Shock's Master of G line, was made for comfort and functionality in the toughest environments. It's solar powered, radio-controlled and has a triple sensor (compass, altimeter/barometer, and thermometer). It also has a mobie link through Bluetooth.

10/09/2026

Casio G-Shock GD-400GB-1B2 Black Gold Digital Watch
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https://www.ebay.com/itm/407188950193?mkcid=1&mkrid=711-53200-19255-0&siteid=0&campid=5339135523&customid=&toolid=10001&mkevt=1

• Original Casio G-Shock box and tin. CASIO G-SHOCK GD-400GB-1B2. This striking black-and-gold model features gold-colored face protectors, a gold-tone display and the rugged construction of the GD-400 series.

10/09/2026

Casio G-Shock Rangeman GW-9400-1 3410 Tough Solar Atomic Triple Sensor
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https://www.ebay.com/itm/407199981277?mkcid=1&mkrid=711-53200-19255-0&siteid=0&campid=5339135523&customid=&toolid=10001&mkevt=1

Casio G-Shock Rangeman GW-9400-1. Module 3410. • Tough Solar power. • Triple Sensor. • Multiple alarms. • Full Auto LED backlight. • Stopwatch.

10/09/2026

Casio G-Shock GravityMaster Black Dial Men's Watch GWRB3000B-8A
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https://www.ebay.com/itm/237047521453?mkcid=1&mkrid=711-53200-19255-0&siteid=0&campid=5339135523&customid=&toolid=10001&mkevt=1

BRAND NEW Casio G-Shock GravityMaster Black Dial Men's Watch GWRB3000B-8A. Condition is new with tags, box, and manufacturer warranty. Shipped USPS.

10/09/2026

Vintage G-Shock DW-5900C Restored | Module 914

A quick look at a restored vintage Casio G-Shock DW-5900C powered by the original Module 914.

This classic model dates back to the early 1990s and features the unmistakable triple-graph display that helped make the DW-5900 series so recognizable.

I restored both versions shown here, including the interesting 200M and 20BAR variants.

Watch the full video here: