I love diver watches and I have been looking for a Droz Super
compressor for a while. A super compressor is a design that was patented by
case manufacturer Ervin Piquerez S.A. (EPSA). The name refers to this case’s
feature where, because of the spring-loaded caseback, the case actually becomes
sealed tighter as water pressure increases. According to the information from
the net, since EPSA only made the cases, there were many different
manufacturers that used these cases for their dive watches and the most notable
brands that used the dual crown design include: Jaeger-LeCoultre, Longines,
IWC, Droz, Girard-Perregaux, Hamilton, Bulova, Enicar, Universal Geneve,
Wittnauer, Benrus, Hamilton, Lip, Blancpain, Bucherer, Tissot and Benrus
etc. I am not an expert in super compressor but has decided to keep
one for a start.
Just found one in Hong Kong at a good price. This is a classic 36mm case with dual crowns and a unique internal rotating dive bezel. The purpose behind this internal bezel was to avoid accidental rotation, a problem that divers had occasionally with the external rotating bezel.
Happy Mid Autumn mooncake festival!
When I was in Thailand, I was looking at an ebay auction selling the Droz in December 2016 but I have missed the auction. Someone must have won it and decided to let it out in the HKG market and some how it landed in my hands! Great joy!
For details on Super compressor watches, please see
http://www.woundforlife.com/2015/12/30/face-off-vintage-super-compressors/
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