- 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 | 129 | 515 | 482 | 45 | 123 | 22 | 1 | 12 | 183 | 48 | 3 | 0 | 1 | 3 | 23 | 6 | 92 | 13 | .255 | .380 | .296 |
| Totals | 238 | 967 | 907 | 87 | 233 | 38 | 4 | 24 | 351 | 91 | 5 | 3 | 1 | 5 | 44 | 10 | 177 | 24 | .257 | .387 | .297 |