18K White Gold Perlage Finished Pocket Watch Case Back
Watch Part · White Gold, likely a traditional palladium or nickel-whitened gold alloy, finished with rhodium plating
Purity: 18K (750 fineness, representing 75.0% pure gold content)
Type
Watch Part
Purity
18K (750 fineness, representing 75.0% pure gold content)
Gold Type
White Gold, likely a traditional palladium or nickel-whitened gold alloy, finished with rhodium plating
Weight
Estimated at 15 to 25 grams based on visible thickness and diameter for solid 18K gold watch components
Description
An exquisite circular gold watch component, specifically the inner or outer case back of a fine luxury pocket watch. Fashioned from solid 18K white gold, the exterior surface showcases a mesmerizing perlage finish—also known as engine-turning or circular graining. This meticulous decorative technique creates overlapping rows of shimmering fish-scale patterns that catch the light from every angle. While traditionally hidden from view on the movement-facing side of a watch, such elaborate finishing on exterior or dust covers underscores the exceptional attention to detail characteristic of high-end horology.
Key Features
Distinctive perlage (perlschliff) pattern across the entire face, high-purity 18K white gold composition, circular precision-machined edge with a slight seating lip
Color & Finish
Cool silvery-white hue featuring an intricate hand-or-machine applied perlage (engine-turned pearl graining or concentric overlapping circles) surface finish
Hallmarks & Stamps
Potential assay office marks or purity stamps (like 750 or eagle head) likely located on the interior rim, requiring inspection of the reverse side
Dimensions Estimate
Approximately 40mm to 50mm in diameter, standard pocket watch casing size with a slim profile of roughly 1mm thickness
Gemstones & Inlays
No gemstones present; the primary aesthetic appeal relies entirely on the precision metallic perlage finishing
Clasp & Closure
Snap-on or screw-down inner sealing rim designed to fit flush into a corresponding pocket watch middle case
Chain & Links
Not applicable to this specific case back component
Craftsmanship Details
Precision engine-turned (perlage) abrasive spinning technique executed with extreme uniformity and overlapping symmetry, reflecting elite Swiss watchmaking standards
Authentication Indicators
The characteristic light-scattering reflection of genuine perlage work, heavy feel indicative of high-density 18K gold, and sharp geometric edging suggest authenticity. Professional XRF testing is advised to verify gold fineness.
Origin & Maker
Likely Swiss origin, historically associated with premier watchmaking regions (Geneva, Vallée de Joux) by makers such as Omega, Longines, or Patek Philippe
Era & Period
Art Deco to Mid-Century Modern (circa 1920s-1950s), characterized by mechanical precision finishes common in fine Swiss timepieces
Age Estimate
Mid-20th century, circa 1930-1960
Cultural Significance
Represents the pinnacle of mechanical luxury and hidden craftsmanship during the golden age of analog horology, where items were built to last generations and beauty was prized even in unseen components.
Condition Notes
Very Good vintage condition. Shows minor surface hairline scratches consistent with age and handling, but the perlage pattern remains crisp, deep, and well-defined without structural denting.
Value Estimate
Valued primarily for its precious metal melt value combined with a premium for horological scrap or collector value, estimated between $800 to $1,500 depending on exact gram weight and purity verification
Care & Maintenance
Clean gently with a soft microfiber cloth and warm soapy water. Avoid harsh abrasives that could flatten or dull the delicate perlage texture. Store in a soft, anti-tarnish pouch.
Similar Items
Engine-turned cigarette cases, vintage compact mirrors, solid gold hunter-case pocket watch backs, and guilloché enameled vanity items
Interesting Facts
Perlage was originally developed by watchmakers not just for aesthetics, but to catch tiny dust particles inside the watch movement before they could jam the gears. Applying it to exterior case backs is a rarer, highly decorative choice.