Watch Database

Mainspring

For Osco 800

1.60 x 0.105 x 240 x 8.5 mm

GR Reference #: GR4500

Height (H): 1.6mm

Thickness (T): 0.105mm

Total Length (TL): 240mm

Barrel Diameter (BD): 8.5mm

End Type: Manual

To look for similar mainsprings that exactly match a specific dimension, select it from the links above.

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Movement Listing

This mainspring is used by the following movements:

Movement	Description	Ligne
Citizen 4-944968	CITIZE CASE REFERENCE
Citizen 4-C50812	CITIZEN CASE
Seiko 6923-8080	SEIKO CASE REFERENCE
Seiko 7431-5020	SEIKO CASE REFERENCE
Seiko 7619-7040	SEIKO CASE REFERENCE
Seiko 7N42-8120	SEIKO CASE REFERENCE COSERVE 2003/2004

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Similar Mainspring Listing

This mainspring is similar to that used by the following movements. When values differ the exact value is shown brackets for reference:

Movement	Mainspring	GR Reference #
Certina 340	1.55 (1.60) x 0.100 (0.105) x 250 (240) x 8.5 mm
Certina 340T	1.55 (1.60) x 0.100 (0.105) x 250 (240) x 8.5 mm
Oris 451	1.55 (1.60) x 0.100 (0.105) x 250 (240) x 8.5 mm
Oris 452	1.55 (1.60) x 0.100 (0.105) x 250 (240) x 8.5 mm
Oris 453	1.55 (1.60) x 0.100 (0.105) x 250 (240) x 8.5 mm
Oris 454	1.55 (1.60) x 0.100 (0.105) x 250 (240) x 8.5 mm
Oris 456	1.55 (1.60) x 0.100 (0.105) x 250 (240) x 8.5 mm
Oris 457	1.55 (1.60) x 0.100 (0.105) x 250 (240) x 8.5 mm
Oris 458	1.55 (1.60) x 0.100 (0.105) x 250 (240) x 8.5 mm
Precimax 250	1.55 (1.60) x 0.100 (0.105) x 250 (240) x 8.5 mm
Precimax 250	1.55 (1.60) x 0.100 (0.105) x 250 (240) x 8.5 mm
Precimax 250SC	1.55 (1.60) x 0.100 (0.105) x 250 (240) x 8.5 mm
Precimax 400	1.55 (1.60) x 0.100 (0.105) x 250 (240) x 8.5 mm
Precimax 450	1.55 (1.60) x 0.100 (0.105) x 250 (240) x 8.5 mm

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