The Callaway Big Bertha Alpha 815 Double Diamond Driver combines a 450 cc head, loft options of 9° and 10.5°, adjustable hosel, a standard length of 45.5 in, and a listed swing weight of D3.
Driver • 2015 • RH • Adjustable hosel
Key specifications
Visual model specs
Built only from this model’s supplied specifications.
How the Callaway Big Bertha Alpha 815 Double Diamond Driver compares
This compares the baseline specification with other Callaway drivers in this database. Driver loft comparisons use the lowest stated loft.
Very close to the Callaway drivers database average. Around the 21st percentile for this field.
Very close to the Callaway drivers database average. Around the 49th percentile for this field.
Very close to the Callaway drivers database average. Around the 45th percentile for this field.
Very close to the Callaway drivers database average. Around the 59th percentile for this field.
Club information
| Manufacturer | Callaway |
|---|---|
| Model | Big Bertha Alpha 815 Double Diamond |
| Club type | Driver |
| Release year | 2015 |
Head, loft and weighting
| Head size | 450 cc |
|---|---|
| Available lofts | 9°; 10.5° |
| Loft adjustability | Adjustable hosel: +2°/−1°; draw setting available |
| Lie angle | 58° |
| Swing weight | D3 |
Shaft, grip and setup
| Standard length | 45.5 in |
|---|---|
| Stock shaft options | Project X HZRDUS Black 65; Mitsubishi Diamana D+ White 70 |
| Stock grip | Callaway Universal Grip |
| Hand availability | RH |
Construction and forgiveness
| Face / material / construction | Titanium driver head with R·MOTO face technology; adjustable front and rear perimeter weighting |
|---|---|
| MOI / forgiveness information | Lower-MOI, compact 450 cc head designed for workability and control rather than maximum forgiveness; adjustable weighting supports fade/draw bias |
Data note: Golf club specifications can vary by loft, shaft, flex, hand, set composition and market. Where the source row lists multiple configurations, the complete supplied value is retained in the tables. Representative benchmark charts normalize multi-club sets to a consistent comparison point.