The accessory is made from 925 Sterling silver

is ISO compliant with a screw-down crown and water resistance to 200 metres

anti-magnetic

The slider bracelet can be fitted individually from 13 to 20 cm

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Seiko Prospex Speedtimer Go Large Solar Chronograph SSC915P1 Pendants The accessory is made fromThis solar powered chronograph timepiece is from the Prospex Speedtimer watch collection which represents Seikos professional timekeeping heritage. In the 1960s, Seiko announced itself on the international sports timing stage with a whole new generation of high precision equipment. Seiko timekeeping is endorsed by international sports federations at many of the worlds leading sports events, starting with the 1964 Olympics and continuing into the IAAF