- 8
- Saitama Seibu Lions
- Watanabe, Seiya
| Position | Outfielder |
|---|---|
| Bats / Throws | Right / Right |
| Height / Weight | 177cm/ 90kg |
| Born | August 31, 2002 |
| Year | Team | G | PA | AB | R | H | 2B | 3B | HR | TB | RBI | SB | CS | SH | SF | BB | HP | SO | GDP | AVG | SLG | OBP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | Seibu | 109 | 452 | 425 | 42 | 110 | 16 | 3 | 12 | 168 | 43 | 2 | 3 | 0 | 2 | 21 | 4 | 85 | 11 | .259 | .395 | .299 |
| 2026 | Seibu | 58 | 247 | 233 | 22 | 57 | 7 | 1 | 4 | 78 | 25 | 1 | 0 | 0 | 0 | 11 | 3 | 37 | 6 | .245 | .335 | .287 |
| Totals | 167 | 699 | 658 | 64 | 167 | 23 | 4 | 16 | 246 | 68 | 3 | 3 | 0 | 2 | 32 | 7 | 122 | 17 | .254 | .374 | .295 |