- 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 | 102 | 412 | 389 | 31 | 100 | 16 | 1 | 7 | 139 | 38 | 3 | 0 | 0 | 2 | 15 | 6 | 72 | 11 | .257 | .357 | .294 |
| Totals | 211 | 864 | 814 | 73 | 210 | 32 | 4 | 19 | 307 | 81 | 5 | 3 | 0 | 4 | 36 | 10 | 157 | 22 | .258 | .377 | .296 |