| Hublot Watch Index | Internet Wristwatch Index | How to regulate a mechanical watch |
| y = yellow, p = pink, w = Black, PR = power reserve, thickness = height |
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| Case | Bezel | Bracelet | Dial | Calibre | Model Number |
| Black Ceramic | black ceramic+tungsten | black rubber | black | HUB 21 | 322.CK.1140.RX |
| Black Ceramic | Black Ceramic | black rubber | black | HUB 21 | 322.CM.1023.RX |
| Hublot Watch Index | Internet Wristwatch Index | How to regulate a mechanical watch |