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Bulova 1956 Bulova 23 "A"

7/10 votes
Model ID rating explained.
3

Variant: 

A

Manufacture Year: 

1956

Movement Model: 

10BPAC

Movement Jewels: 

23

Movement Serial No.: 

-

Case Serial No.: 

6256684

Case shape: 

Round

Case Manufacturer: 

Bulova

Crystal Details: 

22mm

Gender: 

Mens

Additional Information

I don't think this 10BPAC had ever been serviced before me and it needs a new mainspring (still can't source one) Added the 50's Flex-let myself. I love this little sucker.

Not For Sale
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Andersok's picture
Andersok
Panel Member
Posted August 28, 2018 - 6:28pm

Your Bulova 23 'A' looks to be in very nice condition. It is my understanding that the lifetime mainspring in these requires a barrel complete to be purchased instead of just the mainspring; but perhaps someone with a better knowledge of these can clarify that.

cedelong's picture
cedelong
Posted August 28, 2018 - 9:30pm

From what little research I've done on this mvmnt, I think you are correct. No manual that I've seen indicates an interchangeable.

I assume it's the ms-It will keep -30 to -60s/day as long as it's on the wrist with the rotor swinging. Take it off and lay it down, it stops between 3-4 hrs later.

Oh, and that should be 28mm crystal.
Whoops.

neetstuf-4-u's picture
neetstuf-4-u
Panel Member
Posted August 28, 2018 - 7:19pm

Sweet! 1956 Bulova 23 "A". One of my personal favorites from the 23 series. I'm actually wearing my '56 23A as I type this .

Kathy L.'s picture
Kathy L.
Panel Member
Posted August 28, 2018 - 8:08pm

Nice looking watch!

1956 Bulova 23 "A"

Geoff Baker
Club 5000Panel Member
Posted August 28, 2018 - 8:25pm

Yeah, that's a 23 A in excellent shape, I can see why you dig this one, it's dandy!

1956 Bulova 23 A

Reverend Rob's picture
Reverend Rob
Panel Member
Posted August 31, 2018 - 10:01am

These movts have sealed barrels if memory serves, so you'd have to open it and measure the mainspring and just get one that is identical if possible or close. It is derived from the 10BOAC.