Hebdomas Patent 8 days silver engine turned pocket watch, import hallmarks London 1919, the dial with enamel Roman numerals over a visible balance, 52mm (at fault)
Hebdomas 8 Days Hunter Case Silver Plated Stem Wind 1910s | El Coleccionista Ecléctico
Hebdomas movement under the loupe | Watch movements – A passion
eight-day watch; watch-case | British Museum
Hebdomas 8 day pocket watch c1915
Antique Hebdomas 8 Days Solid Silver Pocket watch. SERVICED Swiss made | eBay
Hebdomas 8 day for AED1,395 for sale from a Private Seller on Chrono24
HEBDOMAS ANTIQUE 8-DAY Pocket Watch £549.04 - PicClick UK
SOLD IN JAPAN ) HEBDOMAS "8 JOURS - 8 DAYS" men's watch with golden case - NEW OLD STOCK - La Casa dell'Orologio