Seiko Astron
Astron
is a line of
GPS
solar
electronic
watches from
Seiko
.
Collection
SSE
- GPS, solar, world time,
Cal. 8X53
,
Cal. 8X82
SBXB
- GPS, solar,
Cal. 8X53
SAST
- GPS, solar,
perpetual calendar
,
Cal. 7X52
Seiko brands