The Vintage Wrist Watch Company has dated this piece to the 1910s.
Sales were so good that the Atlas factory struggled to meet the demand so movements were imported from other Swiss manufacturers such as IWC and Patek Philippe.

This particular movement was made in the La Chaux-de-Fonds factory as it has the SS&Co beneath three triangles. This mark was used on Stauffer’s own highest quality movements, known as “third quality” (which, despite how it sounds, was their very best quality). The movement is working nicely and it is protected by an inner hinged cover.

The mark of SS&Co with the three triangles was registered in 1886 and this particular watch would date back to the early part of the 20th Century.
The watch itself measures 50mm diameter excluding the winding stem and the loop. The case is gold plated and was made in England by the Dennison Watch Case Company. It is in good condition with just light surface marks from use.
The watch glass is in good condition.
The white enamel dial is signed with the original retailer’s name of Bramwell & Harbron, Darlington, a watchmakers and jewellers founded in 1867. The dial is in very nice condition with blued steel hands, a subsidiary seconds dial and an outer minute track.
The watch will be sent in a new presentation box.
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The Vintage Wrist Watch Company has dated this piece to the 1910s.
Specialists in antique and vintage wrist watches and pocket watches
You can view the stock and full dealer information on the The Vintage Wrist Watch Company Profile Page