| Reference | GM-550-7 |
| Case | High-grade stainless steel (316 L) |
| Lustrous finish | High-polished |
| Dimension | Size approx. 44mm without crown |
| Dial | Multi-pattern |
| Movement | Chronograph |
| Calendar | Date |
| Pushers | Stop watch & split time |
| Lens | Sapphire coated |
| Hands | Lozenge with photoluminescence |
| Index | Baton |
| Sub-Dials | 24 hour, minutes, seconds |
| Clasp | Deployment buckle |
| Band | Stainless steel 316L |
| Warranty | 2 year warranty |
| Water Resistant | 5 ATM |
| Brand | Pionier Germany |
| Sold by | Tufina since 1828 |
| Packaging | Original Pionier box |
| Included | Manual, warranty & Tufina future $50 gift card |

