6M13-0010] My unworn and immaculate condition "Age of Discovery". A perpetual calendar that keeps track of Day, Date, Month and Year until 2400! : r/Seiko
SEIKO 6M13-0019 Age of Discovery Perpetual Calendar Watch | Flickr
FS: [NOS] 6M13-0010 Seiko Age of Discovery [$950 USD] | WatchCharts Marketplace
Watch band Seiko 6m13-0010 / SHE002J1 Leather 18mm
Seiko] 6M13 "Age of Discovery" Perpetual Calendar : r/Watches
Seiko] 6M13-0010 Age of Discovery Perpetual Calendar : r/Watches
Vintage Seiko Age of Discovery Perpetual Calendar Dancing Hands 6M13-0010 Watch | eBay
Seiko - Age Of Discovery Perpetual Calendar - 6M13 - 0010 - Men - 1980-1989 - Catawiki
WTS] Rare NOS Seiko 6M13-0010; 1991 "Age of Discovery" – WatchPatrol
SEIKO 6M13-0019 Age of Discovery Perpetual Calendar Watch | Flickr
Seiko - Age of Discovery - Perpetual Calendar 1992 Rare Collectors Item - Catawiki