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We thank you for contacting us and for your interest in Longines watches.
Further to your request, we are pleased to provide the information contained in Longines' handwritten registers:
The original serial number 5'113'628 identifies an open face pocket watch in 0.800 silver. It is fitted with a Longines manually wound mechanical movement, caliber 18.68Z and was invoiced on 25 February 1931 to the company Terrasse, which was at that time our agent for Norway.
We trust that we have responded satisfactorily to your request and remain at your entire disposal for any additional information.
Best regards,
Elisa Jurt
Branding and Heritage