After the somewhat technical Challenge Golf yesterday, I’ve gone back a decade or so to a 17 jewel Auto Dater with the Jet circular geared rotor – Citizen introduced the Jets in 1961 with the 031 calibre. The movement in this one was launched a year later in 1962, and is designated 113 and is best known in the Jet ‘Rookie’ models. This is the base movement, so doesn’t have hand winding. This example has a black dial, fairly unusual for its day, with slender dauphin hands and polished baton markers. Although its case/model number begins with ADR which defines it as a Rookie, the dial is not marked as such, rather it carries a 40m depth rating. The case appears to be plated rather than solid steel, and is far from mint, but I have a real soft spot for this one, which is from April 1965: