Genuine Omega® hairspring (breguet, weak), part number 088WEAK, fits Omega® 19, Omega® 19 chronographe, Omega® 20 flat clock glass The indicator at the 6

The indicator at the 6 o'clock position records up to 60 seconds

5 cm is specifically for movement 341

part number 1240 fits Omega® 980

the indicator at the 9 o'clock position records up to 60 minutes

Rolex® 1055 (CD2)

Genuine Omega® hairspring (breguet, weak), part number 088WEAK, fits Omega® 19, Omega® 19 chronographe, Omega® 20 flat clock glass The indicator at the 6Genuine Omega hairspring (breguet, weak), part number 088WEAK, fits Omega 19, Omega 19 chronographe, Omega 20 * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Omega. Omega warranty does not apply to parts supplied by Perrin Supply Ltd.