| Model number | MH1.B1221.NB |
| Function | TimeDate |
| Movement (manufacture. Ref.) | RONDA 515 HH2 CAL 6H |
| Movement (type) | Quartz |
| Case size/diameter (mm) | 43.00 |
| Case material | IP black plated |
| Case back | Pressed Caseback |
| Crown | Regular Gasket |
| Crystal/Glass material | Sapphire |
| Water resistance (m/ft/atm) | 30 / 100 / 3 |
| Strap/Bracelet material | Textile / Nylon |
| Strap width at lug (mm) | 20.00 |
| Origin | Swiss Made |