[EN] Anti-reflective (AR) coating on crystals: what is it made of and how it works?
15:52
[EN] Maintenance intervals? How often is recommended to have your watch overhauled?
17:27
[EN] How the mechanical watch works - Part 1/3: energy source and regulating organ
13:38
[EN] The anti-shock device: Incabloc, Novodiac, Kif, Etachocs, Diashock
13:47
[EN] How the mechanical watch works - Part 3/3: The minutes and hours work, and the keyless system
4:12
É DIFÍCIL ENCONTRAR UM RELÓGIO BARATO E COM TANTAS QUALIDADES!!! CASIO F91W
21:13
[PT-BR] Respondendo perguntas #13 - Seiko 7S26, durabilidade de relógios a quartzo e mais
14:21
[EN] How the mechanical watch works - Part 2/3: the gear train
18:08