1957 VACHERON & CONSTANTIN Ref. 6100 18K Gold Ultra-Slim Evening Watch 12303 running well on 17 jewels

running well on 17 jewels with sweep seconds and is considered by many the best made Swiss manual wind caliber since middle 20th century

OMEGA (below a triangular logo)

It is cased in a 'Keystone' yellow gold case with a near mint original curved acrylic crystal and a good crown

5mm side to side (excluding crown) and 30

1957 VACHERON & CONSTANTIN Ref. 6100 18K Gold Ultra-Slim Evening Watch 12303 running well on 17 jewelsempressissi is pleased to offer this rare, fantastic ultra slim evening watch for men by the fine Swiss maker VACHERON&CONSTANTIN known as Reference 6100 in all original very well preserved condition from the mid 50s. This fantastic luxurious watch is all original and is ready to wear! The watch houses a legendary VC 1003 manual wind movement which is based on a Frederic Piguet caliber 21, running on 17 jewels. This movement is known was known for