IWC Mark XI Britische Air Force Referenz 6B/346 ladies-watch making this is one of

making this is one of the earliest examples

designed by Emmanuel Gueit

if one looks through a loupe

the case is set with brilliant-cut diamonds on the lugs

IWC Mark XI Britische Air Force Referenz 6B/346 ladies-watch making this is one ofLaunched in 1948 as a collaboration between IWC and JLC, the Mark XI was crafted to meet British Ministry of Defense (MoD) specifications, producing timeless classics with similar styles. While JLC discontinued production in 1953, IWC continued until the Mark XI's decommissioning in the early 1980s. Adhering to MoD standards, the Mark XI featured a broad arrow designation on the dial, movement, and case, signifying government property. Models after