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Mark020
··not the sharpest pencil in the ΩF drawerSome of the most wanted references of UG are the 38mm waterproof (or pressure back or monoblocco) chronograph. Made in (very) limited numbers and not many survivors. The case is very similar to the famous Bovet/Vetta cases but they are certainly not the same. Unfortunately it is still unknown who produced this cases.
These watches were made in 8 references but I would not be surprised if a 9th one was made - reference 7075 - but so far I have not found a (trace of a) survivor. The below table explains the differences but the general idea was quite straightforward: 2 brands, 3 different bezels and 2 different (type) of movements.
My estimate of the total production is 550 examples of which I can identify in total 23 survivors.
Some explanation on the table below (which is part of a much bigger table which is WIP).
7065: reference
Brand: obvious
Sala: these references are not mentioned in Sala
Case: case material, in this case stainless steel
Mov: movement reference
Mov ser: these references don't have numbered movements
Pushers: round
CB: caseback, in this case a snapback (so: click)
Batch: some references are made in more batches. Only ref 7069 was made in more batches. The one in this overview is batch 2 of the 2.
KS: known survivors
Tank: batch size following the tank formula (see: https://en.wikipedia.org/wiki/German_tank_problem). Sometimes I only know the 1st 3 digits of the serial so in that case the tank formula is not applicable. Tank number for the the 8 references combined is 521 pieces.
Low Fit: how tight is the fit of the serial numbers
High Fit: see low fit
Prod: my assumption of the production
KSR: known survivor rate
From/to: estimated range of serial numbers. The numbers which I have recorded do fit in this ranges.
As always: more examples are welcome.
These watches were made in 8 references but I would not be surprised if a 9th one was made - reference 7075 - but so far I have not found a (trace of a) survivor. The below table explains the differences but the general idea was quite straightforward: 2 brands, 3 different bezels and 2 different (type) of movements.
My estimate of the total production is 550 examples of which I can identify in total 23 survivors.
Some explanation on the table below (which is part of a much bigger table which is WIP).
7065: reference
Brand: obvious
Sala: these references are not mentioned in Sala
Case: case material, in this case stainless steel
Mov: movement reference
Mov ser: these references don't have numbered movements
Pushers: round
CB: caseback, in this case a snapback (so: click)
Batch: some references are made in more batches. Only ref 7069 was made in more batches. The one in this overview is batch 2 of the 2.
KS: known survivors
Tank: batch size following the tank formula (see: https://en.wikipedia.org/wiki/German_tank_problem). Sometimes I only know the 1st 3 digits of the serial so in that case the tank formula is not applicable. Tank number for the the 8 references combined is 521 pieces.
Low Fit: how tight is the fit of the serial numbers
High Fit: see low fit
Prod: my assumption of the production
KSR: known survivor rate
From/to: estimated range of serial numbers. The numbers which I have recorded do fit in this ranges.
As always: more examples are welcome.
Edited:
