The Type XX 3800 flyback chronograph is a proven collector reference with direct military heritage; secondary prices are firm because the category of historically anchored flyback chronographs from a grande maison is genuinely limited.
▶What do condition grades mean?
New Old Stock
Unworn example retaining original packaging, tags, and warranty documentation.(+30–50% above market)
Unpolished
Worn but the case has never been polished; original brushed and polished surfaces are intact.(+15–25% above market)
Polished
Case has been professionally or amateur polished at some point; edge definition is softened.(-15 to -5% vs. market)
Recently Serviced
Movement has been recently serviced with documented service records; case condition varies.(at market)
Project
Needs service, has dial or hand issues, non-original parts, or other remediation before daily wear.(-50 to -25% vs. market)
Versatile size: fits most wrists (6–7.5 in / 15–19 cm)
39 mm case. The sweet spot for the broadest range of wrist sizes. Neither too dainty nor too bold.
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