Citizen Eco-Drive AV0031-59A - Caliber 2100] That's right, I'm wearing a watch with the only solar-powered analog chronograph movement in the world that has a 12-hour totalizer : r/Watches
Citizen Calibre 2100 AV-059 — Hodinkee Community
Citizen Eco-Drive 43mm Calibre 2100 | WatchCrunch
Citizen AV0097-51L Caliber 2100 Limited Edition ST Steel 44mm... for $772 for sale from a Trusted Seller on Chrono24