[Introduction] A Hamilton Khaki Aviation quartz wristwatch with a bold black dial, large minute-style numerals, and highly legible pilot-watch layout. The stainless steel case and bracelet give this piece a robust everyday presence with clear aviation-inspired identity. [Historical & Collector Value] The Hamilton Khaki line is appreciated for combining practical field and aviation styling with dependable Swiss-made construction. This reference offers broad collector appeal as a clean and wearable Khaki Aviation model with strong market demand among buyers seeking functional pilot-style watches. Specifications ◇Brand: Hamilton ◇Model: Khaki Aviation ◇Reference: H646110 ◇Case size: 42 mm ◇Movement: Quartz ◇Case material: Stainless steel ◇Dial: Black ◇Functions: Hours, minutes, central seconds, day-date ◇Bracelet / Strap: Stainless steel bracelet ◇Clasp: Fold-over clasp ◇Water resistance: 20 ATM ◇Country of manufacture: Switzerland ・Condition Clean overall condition with light signs of normal use. The case, bezel, case back, bracelet, and clasp show surface scratches and minor wear consistent with regular use, while the dial remains clear, sharp, and highly legible. ・Service History The watch has been checked for basic operation and is functioning at the time of listing. Future maintenance may be required depending on usage and buyer standards. ・Shipping & Customs The watch ships from Japan and will be carefully packed. International shipping is available, and any customs duties or import taxes are the buyer’s responsibility.