From the 1930s (the first one features an illustration by Norman Rockwell) . . .
From the 1940s . . .
And from the 1960s . . .
More vintage watch ads are at Watches 'n Such.

See more vintage watch advertising at Time Zone
Source: Morning Glory Antiques & Jewelry
This image, or others like it, may be purchased from papercharm on eBay.
Source: Morning Glory Antiques & Jewelry
These images, or others like them, may be purchased from papercharm on eBay.