Watkins 21
| Length | |
| Hull Type | Monohull |
| Rigging Type | Fractional Sloop |
| LOA | 20.50' (6.25m) |
| S.A. | 190.00 sq ft (17.65 m2) |
| Beam | 7.92' (2.41m) |
| Displacement | 2000 lbs / 907 kgs |
| Ballast | 800 lbs / 363 kgs |
| Designer | Not available |
| First Built | 1973 |
| Length | |
| Hull Type | Monohull |
| Rigging Type | Fractional Sloop |
| LOA | 20.50' (6.25m) |
| S.A. | 190.00 sq ft (17.65 m2) |
| Beam | 7.92' (2.41m) |
| Displacement | 2000 lbs / 907 kgs |
| Ballast | 800 lbs / 363 kgs |
| Designer | Not available |
| First Built | 1973 |