1170 Watch Mainspring 1.90 x 0.18 x 460 (18") (Calibers in description) 782 Series Ronda 30 mm (height) plastic crystal

30 mm (height) plastic crystal with steel colour ring

part # 235

Hamilton mainspring number 718440

small counter hand 1/10 second @ 2

Suspension length (C) 11

1170 Watch Mainspring 1.90 x 0.18 x 460 (18") (Calibers in description) 782 Series Ronda 30 mm (height) plastic crystalDimensions: 1. 90 x 0. 18 x 460 (18") End Type: T End Material: Swiss Made Unbreakable Calibers: Longines 17. 69, Longines 17. 69ABC, Longines 17. 79, Longines 17. 79ABC, Longines 17. 80ABC, Longines 17. 89, Longines 17. 89ABC, Longines 17. 89ZZABC, Longines 17. 90, Longines 17. 90ABC, Longines 17. 90ZZABC, Longines 18. 79ABC, Longines 18. 80ABC, Longines 18. 89ABC, Longines 18. 89ZZABC, Longines 18. 90ABC, Longines 19. 90ABC