Rare Citizen 89' Postmaster Altichron C040 First Ever Watch to Measure Altitude | WatchCharts
My Eastern Watch Collection: Citizen Eco-Drive Promaster Tough Chronograph Stainless Steel and Titanium Watch CA0720-54H - From Citizen's School of Hard Knocks, A Review (plus Video)
Montre CITIZEN C040 Promaster Japon | eBay
Inside The Line: Citizen Promaster Land - Hodinkee
Very Rare First Generation Citizen Promaster Altichron C046-088514 Y new Old Stock - Etsy