Vintage Hamilton Thin-O-Matic

The Hamilton Thin-O-Matic is a vintage Swiss-made automatic wristwatch from the 1960s, featuring Hamilton’s slim, elegant mid-century design and a 10K gold-filled case. Known for its thin profile and reliable automatic movement, the Thin-O-Matic represents Hamilton’s transition into modern dress watches while maintaining the brand’s reputation for quality craftsmanship. Specifications SKU 07302026093148 Item Wristwatch Brand Hamilton Model Thin-O-Matic Dial Color Silver Indices Dagger/Dauphine Indexes Case Material 10k Gold Filled Movement Automatic Caliber 661 Country USA Gender Men's Jewels 17 Department Men Condition Case Shows scratches. Crystal Shows hairline scratches. Bezel It has scratches. Function Running, but may be in need of service. This means, it can run unreliably, start or stop and timekeeping is not guaranteed Timing Data Plus 123 Seconds/day, 269 Amp, 0.5 BE Measurements Diameter 33mm Thickness 10mm Lug Width 18mm Lug to Lug 36mm About the Brand Hamilton: Producing its first pocket watches in Lancaster, Pennsylvania in 1892, Hamilton is one of the most recognizable names in American watchmaking. Although production moved to Switzerland in 1969, the brand’s American-made catalog remains extensive and highly regarded. With strong ties to military history and pop culture, Hamilton continues to offer both well-made modern watches and a deep archive of desirable vintage pieces.