Hebdomas – Emka Watch Co.

Chromium-plated metal, eight-day going, open-face, manual-winding, round-shaped, wristwatch, with visible balance.

Polished case-back; later crown.

Eccentric white enamel dial with, in a chapter, radial Roman numerals; blued steel “Pear” hands.

Movement 13’’’, inverted calibre, nickel-plated metal, extra-large going barrel on the back, straight-line lever escapement, monometallic balancewith poising screws and blued steel flat hairspring, polished steel index-regulator.
Grade: A: Good
Case: 3-6-23: Good. Slightly oxidized. Later
Movement: 3*: Good. Overhaul recommended, at buyer's expense
Dial: 3-01: Good. HANDS Original
Brand Hebdomas S.A., Graizely & Co. and / or Schild & Co, La Chaux-de-Fonds

Model “Hebdomas”

Year circa 1915

Movement No. unnumbered

Case No. unnumbered (signed Emka Watch Co.)

Material chromium-plated metal

Bracelet black leather strap

Buckle stainless steel buckle

Diameter 33 mm.

Caliber 13’’’, straight-line lever escapement

Signature dial and case

Accessories copies of the invention patents