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Made by watchmakers, for watchmakers.

Watches, tools, and parts for watchmakers. Based in Los Angeles since 2025.

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Home
Tools & Equipment
Testing

Testing

78 products

Professional Gold Test Kit

51-286

Professional Gold Test Kit

Tri-Electronics TB-289 Gel for GXL-18/GT-3000

51-254

Tri-Electronics TB-289 Gel for GXL-18/GT-3000

Specific Gravity Liquids

51-878

Specific Gravity Liquids

Opticon Sealer (Clear)

51-872

Opticon Sealer (Clear)

Tri-Electronics TB-24 Gel for GXL-24/GT-4000

51-261

Tri-Electronics TB-24 Gel for GXL-24/GT-4000

Natural Obsidian Test Stone Size

51-262

Natural Obsidian Test Stone Size

Basic Gold Test Kit

51-285

Basic Gold Test Kit

Comparison Needles

51-287

Comparison Needles

Testing Solutions

51-272

Testing Solutions

Gold Calibration Disc for Gemoro Auracle® Testers

GemOro

51-230-1

Gold Calibration Disc for Gemoro Auracle® Testers

Yehuda Big Sherlock CVD & HPHT Screener

51-198-2

Yehuda Big Sherlock CVD & HPHT Screener

$26400.00$28794.00

Gemoro Testerossa® Diamond Tester

GemOro

51-223

Gemoro Testerossa® Diamond Tester

Gemoro Auracle PRO Gold & Platinum Tester

GemOro

51-230

Gemoro Auracle PRO Gold & Platinum Tester

Basic Scrap Gold Buying Kit

Toyo

51-297

Basic Scrap Gold Buying Kit

$Gem Master Refractive Index Liquid, 1.81$

51-874

Gem Master Refractive Index Liquid, 1.81

Gemoro Auracle® Analyzer Gold & Platinum Tester

GemOro

51-232

Gemoro Auracle® Analyzer Gold & Platinum Tester

Micro-Probe Tip for Presidium Adamas Testers

Presidium

51-209

Micro-Probe Tip for Presidium Adamas Testers

Thermo Scientific Niton DXL Desktop Analyzer

51-234

Thermo Scientific Niton DXL Desktop Analyzer

Presidium Duo Tester II (PDT II)

Presidium

51-196

Presidium Duo Tester II (PDT II)

RHODUNA® Diamond Bright - UMICORE Rhodium Electroplating Solution 2 Gr

69-619

RHODUNA® Diamond Bright - UMICORE Rhodium Electroplating Solution 2 Gr

Gemetrix Pty Ltd® Melee and Jewelery Inspector

51-238

Gemetrix Pty Ltd® Melee and Jewelery Inspector

SmartPro Screen-1 CVD/HPHT Tester

51-251

SmartPro Screen-1 CVD/HPHT Tester

SmartPro Aura II Synthetic Diamond Screener

51-237

SmartPro Aura II Synthetic Diamond Screener

Presidium ARI Synthetic Diamond Screener

Presidium

51-193

Presidium ARI Synthetic Diamond Screener

$1294.80$1438.80

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