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This is a precision hexagon screwdriver specifically designed for Blancpain watches, with tip sizes of 1.05mm and 0.9mm. It is primarily used for removing and installing the specialized hexagon screws found on high-end Blancpain timepieces, particularly the Fifty Fathoms (五十噚) series’ iconic bezel and bracelet links (such as the X71 bracelet).
The tool is engineered to exacting tolerances to prevent slipping and protect the watch’s delicate finish during servicing.
Blade Diameters : 1.05mm and 0.9mm – tailored for the specific hexagon screw sizes used on Blancpain cases and bracelets .
High Precision: Designed to fit the tight tolerances of luxury watch screws, reducing the risk of slipping and damaging the screw head or watch case.
Anti-Slip Handling: Often features an ergonomic or knurled handle to provide optimal torque and control during delicate operations.
Material: Typically made from high-strength, hardened steel to ensure longevity and resistance to wear.
Identification: Determine which screw size your watch uses. For example, the Blancpain X71 bracelet requires a 0.9mm hex driver, while other parts may use 1.05mm .
Preparation: Place the watch on a soft, clean surface. To avoid scratching the case, consider using a case holder (available as part of official Blancpain service kits) .
Engagement: Insert the screwdriver tip fully and vertically into the screw head. Ensure a perfect fit before applying any torque.
Turning: Apply gentle, steady pressure. Turn counter-clockwise to loosen and clockwise to tighten.
Stripped Screws: If a screw head is damaged, it often requires professional extraction using specialized tools. Replacement screws are typically only available through official service centers.
Tool Wear: Replace the screwdriver tip if it shows signs of rounding or wear to prevent damaging your watch screws.
Q1: Can I use a standard hex key from a hardware store?
A: No. Standard tools are not manufactured to the tight tolerances required for luxury watches and will likely strip the screw head. You need a precision watchmaking hex driver .
Q2: Why does the 0.9mm size seem too small?
A: The fit is designed to be very exact. Ensure you are using the correct screw head; the X71 bracelet specifically requires the 0.9mm size .
Q3: Can I use this on a Rolex or Omega?
A: No. This tool is specifically designed for the hexagon screw profiles found on Blancpain watches.
Fast worldwide shipping within 3 business days.
Competitive pricing on Seiko/Hattori calibers.
3,000+ watch movements and parts in stock.
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