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The Vulcain Golden Heart is a skeletonized version of the Cricket alarm movement in yellow gold, where both the timekeeping and alarm mainspring barrels are visible through open mainplates and bridges. Authentication centers on the same alarm function, plus visual verification of the skeletonized dual-barrel architecture.
| Area | What to check | What is correct | Red flag |
|---|---|---|---|
| movement | Skeletonized dual-barrel architecture | Both the timekeeping mainspring barrel and the alarm mainspring barrel are visible through the open plates and bridges; the two barrels are distinctly different in size and position | Only one barrel visible; fully or mostly solid mainplate with no skeleton openings; bridges that obscure both barrels |
| movement | Alarm function with audible buzz | Same 20-25 second buzzing alarm as other Cricket references; the skeletonized architecture transmits sound and vibration directly | No alarm function; click-only alarm; alarm that does not sustain |
The Golden Heart is a skeletonized alarm watch showing the Cricket movement's two-barrel architecture openly through the dial. The skeleton display makes the two-barrel check immediate and visual without needing to open the caseback.
| crown | Two-position crown | Same two-position crown as other Cricket references; lower for time, upper for alarm | Single-position crown only |
| case | Yellow gold case and hallmarks | Yellow gold case carries correct purity marks (typically 18k); case weight consistent with gold; no color variation suggesting gold plating over base metal | Missing or incorrect gold purity marks; case weight inconsistent with solid gold; yellow color that appears to wear through at high-contact points suggesting plating |
