IWC Ingenieur 666 No-Date Vintage Overview

Key Points from the Discussion

• A collector shares owning a manual predecessor, the IWC Caliber 83, sold in 1945, suggesting a historical lineage and personal connection to early IWC movements.
• A question is raised about how the Ingenieur 666 evolved into its modern aesthetic, speculating if Genta's redesign was a move to reinvigorate sales.
• The IWC Ingenieur 666 is noted to be a 'hit or miss' in terms of condition, with pristine examples like the one posted being rare compared to heavily worn pieces.
• The Caliber 666 is praised for its lovely movement, featuring a large balance wheel with pins, potentially indicating a 2.5Hz frequency and a cool sound.
• A specific technical question arises about whether the Ingenieur 666 differs from the Caliber 853 only by the inclusion of a 'soft metal' (iron) inner case for antimagnetic properties.
• Another collector shares a photo of an IWC Ingenieur 666 acquired for their son, showcasing the watch's enduring appeal across generations.