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In-house manufacture caliber · caliber Roger W. Smith Caliber Series 3 (hand-wound, co-axial escapement, 60h power reserve)
Versatile size: fits most wrists (6–7.5 in / 15–19 cm)
38 mm case. The sweet spot for the broadest range of wrist sizes. Neither too dainty nor too bold.
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The Series 3 three-bridge movement is recognizable through the caseback; combined with the 60h reserve and co-axial escapement, these are the primary authentication markers.
Known issues in the market
Only a handful of Series 3 pieces exist worldwide; provenance verification with RWS is mandatory.
Three-bridge movement architecture is distinctive; verify the correct bridge count through the caseback.
Area
What to check
What is correct
Red flag
movement
Three-bridge movement architecture through caseback
Three distinct movement bridges visible through caseback
Incorrect bridge count or architecture; non-genuine or wrong series movement
movement
Co-axial escapement wheel visibility
Co-axial wheel visible within movement architecture
Standard lever escapement; non-genuine or incorrect movement
caseback
Roger W. Smith serial and Series 3 designation
Serial and Series 3 designation correctly engraved
Missing or incorrect engravings; non-genuine caseback
