Zenith 3400 Original Silver Dial 19 Jewels Vintage Rare Mens Wrist Watch | eBay
타임피스 빈티지시계
Brandizzi | Zenith Vintage Stellina 3400
Zenith mid size sub sec cal 2511 for $612 for sale from a Private Seller on Chrono24
Almost certainly the least-powerful device I own which can still be reasonably defined as a "complete computer:" the Heathkit ET-3400 Microcomputer Learning System running at 0.1MHz : r/retrobattlestations