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Size 10 1/2 L
2.56mm thick
Hand Size 65/110/20
Date Dial @6
Battery 373

Size 10 1/2 L
2.56mm thick
Hand Size 65/110/20
Date Dial @3
Battery 373

Size 8 3/4 L
2.56mm thick
Hand Size 65/110/20
Date dial @6
Battery 315

Size 8 3/4 L
2.56mm thick
Hand Size 65/110/20
Date dial @3
Battery 315

Size 5 1/2 x 6 3/4 L
2.49mm thick
Hand Size 65/110/20
Battery 379

Size 5 1/2 x 6 3/4 L
2.19mm thick
Hand Size 45/90
Battery 317

Size 10 1/2 L
3.05mm thick
Hand Size 65/110/20
2 Eye chrono hand size 20
Battery 373

Size 10 1/2 L
3.05mm thick
Hand Size 65/110/20
3 eye chrono hand size 20
Battery 373

Genuine Omega Speedmaster Professional Bezel Black and Stainless.

Size 10 1/2 L
2.62mm thick
Hand Size 65/110
Date dial @3
Battery 373

Size 10 1/2 L
3.05mm thick
Hand Size 65/110/20
3 eye chrono hand size 20
Battery 373

Size 10 1/2 L
3.05mm thick
Hand Size 65/110/20
2 eye chrono(9&3) Hand size 20
Sun & Moon display @6
Battery 373

Size 10 1/2 L
3.05mm thick
Hand Size 65/110/20
3 Eye chrono(9/12/3)
Sun & Moon Dial @6
Battery 373

Generic Rolex sapphire crystal with date window. Each crystal come with nylon crystal gasket.

Size 5 x 6 L
2.39mm thick
Hand Size 65/110/18
Battery 317

Size 5 x 6 L
2.09mm thick
Hand Size 45/90
Battery 317

Size 11 1/2 L
3.50mm thick
Hand Size 70/120/17
Big Date @6
Battery 364

Size 12 1/2 L
2.71mm thick
Hand Size 70/120/17
Date dial @3
Battery 364

Wood case contains three acid bottles with ground glass stoppers and applicators, test stone, set of gold testing needles.

Needles and item to be tested are rubbed on test stones and treated with acid to determine match.

Replacement box for holding the metal testing kit.

Stone used with solutions and test needles to determine karat values.

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.