
- Tiffany and co.
- Bvlgari
- Chanel
- Hérmes
Eric Wong
Gemstone & Jewellery Expert

- Rolex
- IWC
- Omega
- Cartier
Toshio Yokota
Timepiece Expert

- Rolex
- IWC
- Omega
- Cartier
Toru Fujihara
Timepiece Expert

- Rolex
- IWC
- Omega
- Cartier
Makoto Sakaguchi
Timepiece Expert

- Rolex
- IWC
- Omega
- Cartier
Yoshito Yamaguchi
Timepiece Expert

- Rolex
- IWC
- Omega
- Cartier
Hideo Takimoto
Timepiece Expert

- Rolex
- IWC
- Omega
- Cartier
Hirotoshi Sasaki
Timepiece Expert

- Rolex
- IWC
- Omega
- Cartier
Yasurou Sugai
Timepiece Expert

- Rolex
- IWC
- Omega
- Cartier