HAMILTON JAZZMASTER AUTOMATIC WATCH.

HAMILTON JAZZMASTER AUTOMATIC WATCH. A Hamilton Jazzmaster Open Heart Automatic Watch Dial: Metallic blue‑green sunburst dial with open‑heart apertures exposing the balance wheel and gear train. Markers & hands: Polished silver indices and dauphine‑style hands. Case & bracelet: Stainless steel, brushed/polished finish, matching steel bracelet. Crystal: Sapphire, scratch‑resistant. Case back: Open (exhibition) sapphire case back. Text on dial: “HAMILTON”, “automatic”, “SWISS MADE”. Movement Caliber: Hamilton H‑10 Type: Swiss automatic (self‑winding) Power reserve: 80 hours Balance spring: Nivachron™ (anti‑magnetic alloy) Functions: Hours, minutes, seconds (no date on most Open Heart variants). Specifications: Case size 40 mm Thickness 11.05 mm Case material Stainless steel Dial color Blue / blue‑green metallic (variant of the Jazzmaster Open Heart) Crystal Sapphire, anti‑reflective Case back Sapphire exhibition Water resistance 5 bar (50 m) Lug width 20 mm Movement H‑10 automatic Power reserve 80 hours Bracelet Stainless‑steel (your image shows bracelet; official spec often lists leather, but bracelet variants exist) Country of origin Switzerland.

Estimate:$1,205.56

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