Seiko Lunar Phase] From the Eighties. I've had this watch from about 1987 and have been wearing it almost every day since. I've replaced the band about five times over the years
Premier Collection
YM 5 Lunar - Seiko Mod
Vintage SEIKO Moonphase / Moon Face Celestial Calendar Men's/unisex Dress Watch, EXC Rare 1980s Original - Etsy UK
Seiko Moon Phase Watch | Best watches for men, Moonphase watch, Watches for men
Seiko Shoots for the Moon with Prospex LX Sky U.S. Special Edition SNR051 | WatchTime - USA's No.1 Watch Magazine
7F18-9A00] Seiko Sun & Moon Phase : r/Seiko
Seiko Moonphase Quartz (Circa 1980's) – The Time Teller Shop
7F39-6000] Love my vintage Seiko moonphase calendar watch : r/Seiko