Vintage 14K Yellow Gold Filled Rio 15 Rubis Cocktail Watch
Watch (Vintage Ladies Cocktail Watch) · Yellow Gold (classic warm tone with brassy undertones indicating a plating/fill over base metal).
Purity: Likely 10K or 14K Gold Filled (GF). Not solid gold based on visible wear on the lugs where base metal is exposed.
Type
Watch (Vintage Ladies Cocktail Watch)
Purity
Likely 10K or 14K Gold Filled (GF). Not solid gold based on visible wear on the lugs where base metal is exposed.
Gold Type
Yellow Gold (classic warm tone with brassy undertones indicating a plating/fill over base metal).
Weight
Total weight approx 10-15g; actual gold content is negligible (less than 1g) due to gold-filled construction.
Description
A charming mid-century ladies cocktail watch featuring a small square face and ornate, sculptural lugs. The 'Rio' brand and 15-jewel movement represent a standard middle-market timepiece of the era, designed for elegance over utility.
Key Features
Sculpted fan lugs, 15-jewel mechanical movement, square acrylic crystal, and original cord-style strap.
Color & Finish
Brassy yellow gold with high polish finish; significant patina, scratching, and oxidation on the case and lugs.
Hallmarks & Stamps
Dial marked 'RIO' and '15 RUBIS'. Case back likely stamped '14K Gold Filled' or '10K Rolled Gold Plate' (not visible in image).
Dimensions Estimate
Case diameter approx 15mm-18mm; petite ladies size with a 5-6 inch black cord strap.
Gemstones & Inlays
None visible externally; '15 Rubis' indicates 15 synthetic ruby jewels used inside the movement as bearings.
Clasp & Closure
N/A - The black cord strap is continuous or has a simple fold-over clasp (not pictured).
Chain & Links
Vintage black silk/nylon cord strap with gold-tone sliding metal end-caps.
Craftsmanship Details
Die-struck case components with a multi-jeweled mechanical movement; hand-assembled lugs and strap attachments.
Authentication Indicators
Mechanical winding crown, correct era-specific dial typography, and visible wear patterns consistent with gold-filled jewelry.
Origin & Maker
Likely Swiss-made movement (Rio brand) with a domestic (U.S. or European) manufactured case.
Era & Period
Retro/Mid-Century (circa 1940s-1950s) indicated by the stylized fan-shaped lugs and square dial.
Age Estimate
Approximately 70-80 years old, likely produced between 1945 and 1955.
Cultural Significance
Represents the post-WWII shift toward feminine, delicate jewelry-watches as status symbols for working women and socialites.
Condition Notes
Fair to Good. Heavy scratches on the crystal; plating wear (brassing) on the high points of the lugs; dial shows age-related spotting.
Value Estimate
Market value $20-$50. Value is primarily decorative/antique; gold melt value is near zero due to being gold-filled.
Care & Maintenance
Do not submerge in water (not water-resistant); clean with a dry soft cloth; movement requires professional oiling if intended for regular use.
Similar Items
Bulova or Hamilton 10K Gold Filled ladies watches from the same era; solid 14K gold versions would be significantly heavier and more valuable.
Interesting Facts
15 Rubis (jewels) were used in watchmaking to reduce friction; in this era, small 'cocktail' watches were considered formal jewelry rather than just timekeepers.