kapea liittymä Noro seiko 6m13 Niin sanottu Säätö kulku
Seiko - Age Of Discovery Perpetual Calendar - 6M13 - 0010 - Men - 1980-1989 - Catawiki
Seiko - Age Of Discovery - 6M13-0010 - Men - 1990-1999 - Catawiki
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
WTS] Seiko 6M13-0010 Perpetual Calendar Age of Discovery : r/Watchexchange