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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 11 1/2 L
2.71mm thick
Hand Size 70/120/17
Date dial @6
Battery 364

Size 10 1/2 L
2.71mm thick
Hand Size 70/120
Date dial @3
Battery 364

Size 10 1/2 L
2.71mm thick
Hand Size 70/120/18
Date dial @6
Battery 364

Size 10 1/2 L
2.71mm thick
Hand Size 70/120/18
Date dial @3
Battery 364

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

22mm Buffalo Chrono Dark Black Leather Strap. Features heavy padding, contrasting stitching, tapered edge construction and comes with a stainless steel buckle.

Size 6 3/4 x 8 L
2.99mm thick
Hand Size 70/120/18
Day & Date dials @3
Battery 364

20mm Buffalo Chrono Honey Brown Leather Strap. Features heavy padding, contrasting stitching, tapered edge construction and comes with a stainless steel buckle.