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Needles and item to be tested are rubbed on test stones and treated with acid to determine match.
Economical black glass stone used with solutions and test needles to determine karat values.
Measures: 2″ x 1-1/2″ x 3/16″
Natural testing stones are used with solutions and test needles to determine karat values of precious metals.
Size 6 3/4 x 8 L
2.80mm thick
Hand Size 70/120
Date dial @3
Battery 364
Asco Swiss Made loupe. Type H, 3x. 25mm diameter. Screw in bezel for easy lens cleaning.
Hadley Roma 18mm Black Genuine Crocodile Stitched Leather Band
Size 6 3/4 x 8 L
2.99mm thick
Hand Size 70/120/18
Day & Date dials @3
Battery 364
Size 8 3/4 L
2.80mm thick
Hand Size 70/120/18
Date dial @3
Battery 364
Size 10 1/2 L
2.35mm thick
Hand Size 70/120
2 eye chrono hand size 20
Battery 377
Size 12 3/4 L
4.57mm thick
Hand Size 65/110/20
3 eye chrono hand size 20
Moon/Sun dial @3
Battery 371
Size 12 3/4 L
4.57mm thick
Hand Size 65/110/20
3 eye chrono hand size 20
Date dial @3
Battery 371
Size 12 3/4 L
3.97mm thick
Hand Size 65/110/20
4 eye chrono hand size 20
Battery 371
Size 12 3/4 L
3.97mm thick
Hand Size 65/110/20
3 eye chrono hand size 20
Battery 371
Size 12 3/4 L
4.57mm thick
Hand Size 65/110/20
2 Eye Chrono Hand Size 20
Date Dial @3
Battery 371
Size 5 1/2 x 6 3/4 L
2.38mm thick
Hand Size 65/110
Battery 379
Size 4 3/4 x 6 1/2 L
2.38mm thick
Hand Size 65/110
Battery 379
Size 7 1/2 x 8 L
3.60mm thick
Reduced height canon pinion version
Hand Size 65/110/20
Battery 377
Classic style two tone metal bracelet. 7 1/2″ long. Expandable end to fit 16-21mm
Black suede leather band 20mm
Black suede leather band 16mm
Black suede leather band 12mm
Classic calf stitched brown 18mm leather strap extra long
Hadley Roma 18mm Long Brown Padded Calf Leather Watch Strap
Classic calf stitched brown 12mm leather strap long
Classic calf stitched brown 24mm leather strap
Classic calf stitched brown 19mm leather strap
Classic calf stitched brown 12mm leather strap
Classic calf stitched brown 10mm leather strap