| Brand | Longines |
| Gender | Male |
| Model | L2.910.4.51.6 |
| Series | Master Collection |
| Movement | Automatic |
| Water Resistant | 30 Meter |
| Band Material | Bracelet |
| Band Color | Silver |
| Band Width | 21 mm |
| Band Length | Men's Standard |
| Band Type | Bracelet |
| Clasp | Deployment |
| Case Material | Stainless Steel |
| Case Size | 40 mm x 40mm |
| Case Thickness | 9.5 mm |
| Case Shape | Round |
| Case Back Type | Snap-down |
| Display Type | Analog |
| Dial Color | Black |
| Crystal | Sapphire |
| Crown | Screw down |
| Bezel | Silver-Tone Stainless Steel |
| Dial Hands | Silver-Tone |
| Dial Markers | Roman Numerals |
| Calendar | Month and Date display at the 3 O'clock position |