History of the Calculator Watch Part 1 ; Pulsar, HP-01, Seiko, Citizen, Uranus
27:08
Calculator watch history part 2 The Casio Years
15:40
The Seiko 6138-7000 Slide-Rule chronograph! - Real vs Fake, Side by side!
17:32
The Untold Story of Seiko’s other Digitals : Pulsar, Alba and Lorus
14:41
50+ Years of Digital Watch History in 15 mins
16:46
RetroTech: Hewlett Packard HP-01 1977's Smartest Watch
20:02
Restoration of John Wicks Watch - C. F. Bucherer Manero Autodate Repair | ASMR
8:06
MBO 3754 / Advance L24 / GPM 2000 /... Calendar & Calculator Watch
14:14