2.22ct Freeform Boulder Opal 13.5x7.6mm Clock Mainspring Winder - Ollie Baker Style Vallorbe 1760 - Swiss Made

Vallorbe 1760 - Swiss Made - Invest in the Best

Pendulum Quartz UTS Movement

This is supplied with a Die Holder & 3 dies (Ø21

The colors of plastic box and wrench are random

Madagascar and Montana in the U

2.22ct Freeform Boulder Opal 13.5x7.6mm Clock Mainspring Winder - Ollie Baker Style Vallorbe 1760 - Swiss MadeOpal is probably the most famous phenomenal stone displaying the unparalleled play of colour, a rainbow coloured kaleidoscopic effect. The name opal derives from the word 'opalus' given by the Romans, which is Latin for 'precious stone'. They can be fragile which makes it more suitable for jewellery such as necklaces, brooches and earrings that are less likely to be knocked. Opal is the birthstone for October. Mohs Scale of Hardness: 5. 5 6. 5