Seiko SAGN005 Brightz; Full TitaniumA super lightweight titanium cushion case watch from Seiko that shouldnt be overlooked. Model: SAGN005, 4S29 00A0 Seiko Brightz Year: 2003 Features: Lightweight. A manual wind movement, a titanium case and a titanium bracelet make this an incredibly lightweight watch. If youre not careful, the SAGN005 is very capable of going from a rotation watch to an everyday wear without you realising it. The Dial. Black enamel, worked to Seikos incredibly high