Girard Perregaux Ref. 8004 F and Gyromatic 39 jewels square

May 24, 2023,16:19 PM
 

Hi everyone,

Here is one of the Damier from GP that I own, as per GP, the caliber inside it is a GP 26-38 dating from 1964-1965, I cant find any informaiton on it, even on Ranfft Watches web site. Does any of you know more about this caliber? The only infromaiton I got is for the Girard-Perregaux 26.3  based on the AS 1758...
Thx!





This one is slightly different, based on the Gyromatic caliber with 39 jewels, could be a GP 32.19 ..."... two roller freewheels are used to convert the rotor movements. While usually steel rollers are used, this top model has ruby rollers (six in each freewheel)..." taken from Ranfft watches...




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Anybody else feel a bit square today? Girard-Perregaux Daminer ref 7838

 
 By: blomman Mr Blue : February 2nd, 2019-03:05
Different to the more well-known Damier reference 7427, the Daimer 7838 have a seconds hand and a date... That's the difference you can see on the dial. The biggest difference, the 7838 have an automatic movement and a higher case. But that is hard to tel...  

Rule #1. [nt]

 
 By: blomman Mr Blue : February 2nd, 2019-03:18

Square....

 
 By: nomadgiles : February 2nd, 2019-03:55
....also round. Lovely Daimer! I was looking for one but the HF came along. Best, Giles ...  

Stunning 8888!

 
 By: blomman Mr Blue : February 3rd, 2019-00:48
Here is my non-Chronometer: Best Blomman ...  

A round day ain't bad either! :) [nt]

 
 By: blomman Mr Blue : February 3rd, 2019-00:49

Girard Perregaux Ref. 8004 F and Gyromatic 39 jewels square

 
 By: philbee1966 : May 24th, 2023-16:19
Hi everyone, Here is one of the Damier from GP that I own, as per GP, the caliber inside it is a GP 26-38 dating from 1964-1965, I cant find any informaiton on it, even on Ranfft Watches web site. Does any of you know more about this caliber? The only inf...