I really need some opinions on what my non-working Broad Arrow with an Asian 7750 Valjoux movement and black face might be worth? I'm trying to figure out if it is worth finding a replacement 7750 and either upgrade to Swiss or swap another Asian, have this one repaired and serviced or just sell it as is and be done with it. The dealers have this watch listed in the $260 range to give a starting point. Thanks