Fortis Watch Parts & Diagram

Finding the right Fortis watch parts can take some patience, especially when you are dealing with older Flieger, B-42, Cosmonaut, Marinemaster, or Spacematic models. This guide covers commonly available replacement components, estimated prices, official manuals, helpful Fortis tutorials, and a few practical compatibility tips to check before ordering a crown, bracelet, dial, bezel, crystal, or movement part.

What are you looking for?

• Buy Fortis Watch Parts Online
• Parts for Fortis Watch Price List
• Fortis Watch Parts Diagram
• FAQ Fortis Watch Parts/Diagram

Buy Fortis Watch Parts Online

The Fortis watch parts listed below are subject to availability and may not fit every Fortis model or reference number. Before purchasing replacement parts, carefully review the product description, dimensions, compatibility details, seller ratings, and return policy to make sure the part is suitable for your specific Fortis watch.

Parts for Fortis Watch Price List

Below are the estimated prices for some of the most common Fortis watch parts and replacement components. Actual prices may vary depending on the specific model, reference number, part condition, authenticity, availability, seller, and market demand. This list is not comprehensive and should be used only as a general pricing guide before purchasing Fortis replacement parts.

• Fortis B-42 Stainless-Steel Bracelet: Genuine bracelets and compatible end-link assemblies commonly cost approximately $180 – $500, depending on condition and completeness.
• Fortis Block Bracelet: Modern Fortis block-style bracelets with adjustable links and clasp components may cost approximately $350 – $750.
• Fortis Leather or Textile Strap: Branded straps for Flieger, Stratoliner, Marinemaster, and older references generally cost around $80 – $220.
• Fortis Signed Crown and Stem: Original screw-down or push-pull crowns usually cost approximately $30 – $150, depending on dimensions and reference.
• Fortis Sapphire Crystal: Model-specific sapphire crystals may cost around $100 – $300 before professional fitting, gasket replacement, and pressure testing.
• Fortis Marinemaster Bezel or Insert: Genuine rotating bezel assemblies and inserts may cost approximately $120 – $400 when available.
• Fortis Flieger or B-42 Dial: Original replacement and new-old-stock dials commonly cost around $70 – $350, depending on model and condition.
• Fortis Watch Hand Set: Reference-specific luminous, chronograph, GMT, or standard hand sets may cost approximately $50 – $200.
• Fortis ETA-Based Movement: Compatible ETA automatic or chronograph movements may cost approximately $200 – $750, depending on caliber and condition.
• Fortis Case or Case Assembly: Complete vintage or modern cases with crystal, bezel, pushers, crown, or caseback may cost $250 – $900.

You can also browse Fortis watch replacement parts on Amazon, including compatible straps, spring bars, watch batteries, bracelet tools, and general repair accessories. Fortis parts can be highly reference-specific, so check the watch reference, lug width, case dimensions, movement caliber, and seller’s measurements before ordering anything.

Ewatchparts 2 PCS BRACELET MOUNTING SCREW COMPATIBLE WITH FORTIS B-42 STAINLESS STEEL BAND AND OTHERS

$29.95

Amazon

Ewatchparts 2 Spring Bars Compatible With Watch Band Strap Compatible With 42mm Fortis B-42 Flieger Chronograph

$14.95

Amazon

Wellfit Watch Band Pins Replacement Kit with 40pcs Heavy Duty Stainless Steel Watch Pins, 6 Sizes Diameter 1.5mm and 4 Sizes Diameter 1.8mm Watch Spring Bar

$7.99

Amazon

Fortis Watch Parts Diagram & Manuals

• Official Fortis Downloads and Instruction Manual: Download the official operating manual, strap sizing guide, wrist measurement guide, brochures, and other Fortis documentation.
• Official Fortis Watch Tutorials: View guides for changing straps, resizing B-42 bracelets, mounting block bracelets, adjusting clasps, and operating bezels.
• Official Fortis Movement Guide: Explore Fortis manufacture calibers and movement information for current collections, including the WERK 17 chronograph movement.
• Official Fortis Watch Operation and Care Guide: Covers crown operation, calendar setting precautions, water resistance, manuals, servicing, and everyday care questions.
• Fortis WERK 13 Time and Date Tutorial: Provides official operating instructions for setting the time, date, and related functions on WERK 13 watches.

Fortis mainly provides owner manuals, collection brochures, and video tutorials rather than complete public exploded-parts diagrams for every watch. These resources can still help you identify the crown, bezel, bracelet links, clasp, pushers, date display, chronograph controls, and other major external components.

For a detailed internal diagram, you will need both the full Fortis reference number and the exact movement caliber. Older Fortis watches may use ETA, Valjoux, or other Swiss movements, while newer models can use Fortis manufacture calibers such as WERK 13 or WERK 17. Once the movement is identified, a watchmaker can locate a caliber-specific technical sheet showing the bridges, wheels, barrel, winding system, calendar components, screws, setting mechanism, and correct part numbers.

FAQ Fortis Watch Parts/Diagram

Where can I find the reference number for my Fortis watch?
The Fortis reference number is normally engraved on the caseback or printed on the warranty card, original box label, sales receipt, or service paperwork. Older references may use shorter number combinations, while newer watches may have more detailed model information. Use the complete reference when searching because two similar Fortis watches can require different crowns, bezels, crystals, bracelets, dials, or movement holders.

Can I buy genuine Fortis replacement parts directly from Fortis?
Fortis may provide certain straps, bracelets, tools, and accessories directly or through authorized retailers. Internal movement parts, crystals, crowns, pushers, bezels, dials, gaskets, and case components are generally handled through Fortis or an authorized service partner. Contact Fortis with the full watch reference, photographs, and a description of the required part so compatibility can be checked before repair work begins.

How do I know whether a replacement strap or bracelet will fit my Fortis?
Check the full watch reference, lug width, end-link shape, spring-bar or screw-pin system, case curvature, bracelet finish, and clasp design. A strap with the correct width may fit between the lugs but still look or function incorrectly. Fortis B-42 and modern block-bracelet models can use specialized attachment systems, so verify the official strap or bracelet specification before buying. You can compare Fortis-compatible replacement straps on Amazon, but always check the measurements carefully.

Are parts from older Fortis ETA movements interchangeable with newer Fortis movements?
Usually not. Some older Fortis watches use serviceable ETA or Valjoux calibers, but newer Fortis models may use Sellita-based or manufacture movements such as WERK 13 and WERK 17. Even watches using related movement families can have different stems, date wheels, rotors, dial feet, hands, movement holders, and case fittings. Confirm the exact caliber and movement revision before ordering internal components.

Can I replace a Fortis crystal, crown, bezel, or battery myself?
Changing a basic strap may be possible with a suitable watch spring-bar tool kit. Replacing a crown, bezel, crystal, battery, gasket, or internal movement part is more difficult and can damage the case, dial, seals, or movement. Fortis tool watches often rely on secure crowns and carefully fitted gaskets, so professional installation and water-resistance testing are recommended whenever the case is opened.

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