Seiko Astron SSJ007 3X22 Titanium GPS Solar Ceramic Bezel Black prospex - Origin: Swiss Made

- Origin: Swiss Made

Dial: Deep Black

Limited Edition: limited to 1888 pieces

1/100 Second Chronograph Measures up to 24 Hours

Strap/Bracelets material: Genuine leather

Seiko Astron SSJ007 3X22 Titanium GPS Solar Ceramic Bezel Black prospex - Origin: Swiss MadeCaliber No 3X22 Drive system Solar GPS satellite radio correction Accuracy Average monthly difference when not receiving 15 seconds Drive period 6 months when fully charged Approximately 2 years when saving power Exterior Case material Pure titanium bezel: ceramics Case coating Diamond shield Glass material sapphire Glass coating Super clear coating Lumibright Yes (needle index) Nakadome One push three fold method Other specifications waterproof