Compare the individual source configurations below with the watch you are identifying.
Named Hamilton model supported by non-rejected catalog evidence. Punctuation and spacing equivalents reconciled; numbered variants retained. Replacement sources do not establish watch offering dates.
A similar case or dial is a starting point. Check the documented configuration and any movement evidence before settling on an identification.
Documented source appearances
4 appearances
Dates below belong to publications. Different specifications remain attached to their own source appearance.
Hamilton Watch Company · Printed 12 — Men’s Self-Winding Watches (viewer 14)
Thin-o-matic T-503
Stainless steel case. Bracelet.
Band
Bracelet printed
Family
Thin-o-matic printed
Case material
Stainless steel case printed
Movement type
Self-winding / automatic printed
Marketed gender
men printed
Water resistance
Weatherproof (individual caption script) printed
Historical price: USD 79.50 · suggested retail
Own caption band price. Own printed12 footer: All prices include Federal Tax; prices/specifications subject to change without notice; models subject to prior sale. This differs from printed10 plus-tax notice; preserve page-specific wording.
Hamilton Watch Company · Printed 12 — Men’s Self-Winding Watches (viewer 14)
Thin-o-matic T-503
Stainless steel case. Strap.
Band
Strap printed
Family
Thin-o-matic printed
Case material
Stainless steel case printed
Movement type
Self-winding / automatic printed
Marketed gender
men printed
Water resistance
Weatherproof (individual caption script) printed
Historical price: USD 69.50 · suggested retail
Own caption band price. Own printed12 footer: All prices include Federal Tax; prices/specifications subject to change without notice; models subject to prior sale. This differs from printed10 plus-tax notice; preserve page-specific wording.