Watch movement identification

[Henry1111111]

Hello everyone I was hoping someone would know what movement I have here as I need to get a new balance staff. The t which I photographed was under the balance wheel and the movement measures 23.5mm across.

[watchweasol]

Hi Th "T" was used by Tissot,  what is required is the makers mark and the caliber number to enable the members to Identify the watch and also put you on track for finding the parts required.

[Henry1111111]

14 minutes ago, watchweasol said:

Hi Th "T" was used by Tissot,  what is required is the makers mark and the caliber number to enable the members to Identify the watch and also put you on track for finding the parts required.

Oh ok I see there is no other markings to go of f of so I’m very limited to what I’ve already said. Would a keyless work picture help? 

[WatchMaker]

Not every maker puts their ID under the balance wheel so, yes, take the dial off to give a picture of the dial side (and to include keyless works). Also a picture of the dial too if there is a brand on there as that might give a steer.

Another sharper pic of the movement would be good too. Your original above is quite fuzzy on enlarging.

[Henry1111111]

20 minutes ago, WatchMaker said:

Not every maker puts their ID under the balance wheel so, yes, take the dial off to give a picture of the dial side (and to include keyless works). Also a picture of the dial too if there is a brand on there as that might give a steer.

Another sharper pic of the movement would be good too. Your original above is quite fuzzy on enlarging.

 

[wls1971]

Looks like it's a Derby calibre 33 

[Henry1111111]

23 minutes ago, wls1971 said:

Looks like it's a Derby calibre 33 

I’ve looked and it looks to be one of those cousins have balance staffs which go to that Caliber. Thank you