Seiko - Astron GPS Solar Executive Line. Incorporating the 8X82 caliber, this chronograph has a distinct profile that results from a unique bezel construction with a sapphire inset layer. http://www.seiko-astron.com/executive/ Ref. SSE127
Seiko Astron 8X82-0AB0 Chronograph Titanium Ceramic GPS Solar Mens Auth | eBay
Seiko ASTRON Solar GPS (8X82) Close Up View - YouTube
Seiko Astron GPS Solar Chronograph SSE 8X82 Series Hands On | AZ Fine Time Blog