9.76ct Trillion Cabochon Opal 17x16mm Seiko Beep Alarm 6.2mm (NEF) Shaft Movement contains a special powder that

contains a special powder that increases performance and bar life on harder metals such as stainless steel

52 x 40 x 52mm (L x W x H)

sweep wheels and chronograph driving wheel remover

Maximum Hard Wire Cutting Ø2

Range Ø3 to Ø52mm

9.76ct Trillion Cabochon Opal 17x16mm Seiko Beep Alarm 6.2mm (NEF) Shaft Movement contains a special powder thatOpal 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