Derby 40 / 40N – Upper Cap Jewel With End Piece - 271.175.35 (311 NX) Swiss

Name: Derby 40 / 40N – Upper Cap Jewel With End Piece - 271.175.35 (311 NX) Swiss
Brand: copains-dabord.be
SKU: 72569044449
Price: 10.00 USD
Availability: InStock
Rating: 4.549 (20 reviews)

copains-dabord.be

$ 10.00

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Description

Derby 40 / 40N – Upper Cap Jewel With End Piece - 271.175.35 (311 NX) SwissDescriptionGenuine vintage Derby Upper Cap Jewel With End Piece, part number 311 NX, suitable for Derby calibre 40 and 40N movements (8'''). Supplied New Old Stock in original packet. Ideal for servicing or restoring vintage Derby mechanical watches. Specifications Brand: Derby Calibre: 40, 40N Ligne Size: 8''' Part: Upper Cap Jewel With End Piece Part Number: 271 175 35 (311NX) Condition: New Old Stock (NOS) Supplied in original packet Condition

5 µm (2000 grit) – Precision surface finishing

model VD50-X019

The watch is in good working order at the time of listing

Summary:A genuine Swiss-made Altrax mainspring

perfect for both everyday wear and special occasions

9 mm (from finger)

and plating thinning consistent with age

accuracy and long-term reliability cannot be guaranteed

craftsmanship

Many gemstone-set silver rings of this type were produced by small workshops and independent jewellers during the late 20th century

or for a watchmaker’s parts drawer

No damage or repairs

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