Fortis Repair & Service
Official UK Fortis service centre in Hatton Garden since 1985. Genuine Fortis parts, certified watchmakers and a 2-year warranty on every full service.
As the Official UK Fortis Service Centre, SwissMade brings over 40 years of expertise from London's historic Hatton Garden jewellery quarter to every timepiece we service. Our team of Fortis-certified watchmakers, with 200 years combined experience, specializes in servicing the professional aviation and space instruments that have accompanied pilots and cosmonauts since 1912. From routine maintenance on Flieger chronographs to complete restoration of vintage military-issued timepieces, we provide the same meticulous care that has made Fortis the choice of professionals in the most demanding environments, ensuring your watch maintains its legendary precision and durability.
Why SwissMade for Fortis Repair?
- Official UK Fortis service centre
- Genuine Fortis parts only
- Free insured postage pack, up to £25,000
- Free diagnostics and written estimate
- 8 to 12 week turnaround
- Hatton Garden workshop since 1985
Every Fortis full service is covered by our 2-year warranty, double the industry standard.
Post your Fortis to us with a free insured return pack, or bring it to the Hatton Garden workshop.
Start Your Repair
Official UK Service Centre
- 40+ Years Experience
- Genuine factory parts only
- Same standards as brand direct
2-Year Warranty
- Double the industry standard
- Comprehensive coverage
- Complete peace of mind
Free Insured Shipping
- Up to £25,000 coverage
- Secure nationwide service
- Track every step online
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What our customers say
Our Fortis Repair Services
Fortis Full Service
From £200
Our skilled Fortis-certified watchmakers disassemble, clean, and inspect each component before replacing any damaged parts with manufacturer parts. All Full Fortis Services are backed by our 2-year comprehensive warranty covering all workmanship, parts fitted, movement accuracy, and water resistance where applicable.
Fortis Battery Replacement
See basic maintenance
As an official Fortis service centre we do not offer a battery-only replacement. Quartz Fortis models are taken through our basic maintenance instead: the movement comes out of the case, the battery and all seals and gaskets are replaced, and accuracy is checked on a quartz analyser. Backed by our 1-year warranty.
Fortis Basic Maintenance
From £100
Our skilled Fortis-certified watchmakers disassemble, clean, and inspect each component and replace the battery, basic components and perishables with genuine manufacturer parts. Basic Maintenance is backed by a 1-year comprehensive warranty covering workmanship and parts fitted.
Fortis Restoration
POA
Our restoration service includes condition assessment with photography, preservation of original characteristics and patina, genuine Fortis parts where replacements are needed, and expert restoration that maintains authenticity and collector value. All vintage Fortis restorations are backed by our 2-year comprehensive warranty.
WOSTEP Certified
BHI Members
40+ Years in Hatton Garden
75,000+ Watches Serviced
Our Fortis Service Process
Expert care for your timepiece in 6 simple steps
1. Free Collection & Insurance
Request your free postage pack online. Your Fortis is fully insured up to £25,000 from the moment it leaves your hands. Track your watch every step of the way through our secure online portal.
2. Diagnostics & Estimate
Our expert watchmakers conduct a comprehensive inspection of your Fortis within 48 hours of arrival. You'll receive a detailed written estimate with no obligation - we only proceed with your approval.
3. Movement Overhaul
Your Fortis movement is completely disassembled, ultrasonically cleaned, and inspected. Worn components are replaced exclusively with genuine Fortis parts, then reassembled with manufacturer-specified lubricants.
4. Case & Bracelet Restoration
Professional refinishing removes scratches and wear marks while preserving your watch's character. Gaskets and seals are replaced to restore water resistance to original factory specifications.
5. Testing & Quality Control
Every Fortis undergoes rigorous testing: timing accuracy to COSC standards (-4/+6 seconds per day), water resistance pressure testing, and a 7-day quality control period before release.
6. Insured Return & Warranty
Your restored Fortis is returned via fully insured courier. Every full service is backed by our comprehensive 2-year warranty covering accuracy, water resistance, and all workmanship.
Average turnaround 8–12 weeks
Fortis Models We Service
Our skilled watchmakers can service and repair all Fortis models, from modern pieces to vintage classics. With over 40 years servicing luxury watches and 75,000+ timepieces successfully repaired, our team has the experience and precision to restore any Fortis watch to exceptional performance.
Official Cosmonauts
The official watch of the Russian space program since 1994. Expert service for all chronograph and GMT references.
Stratoliner
Elegant pilot watches with refined cockpit-inspired design. Expert care for all steel and bronze references.
Spacematic
Accessible space-inspired collection with proven reliability. Full service for automatic and day-date references.
Flieger Pro
Professional pilot watches with aviation heritage. Full service for automatic day-date and chronograph calibers.
Marinemaster
Robust dive watches built for underwater exploration. Pressure testing and service to manufacturer specifications.
Terrestis
Refined dress watches with classical proportions. Delicate care for slim automatic movements.
Aeromaster
Contemporary aviation styling with serious tool watch capability. Service for all automatic movement variants.
Novonaut
Modern reinterpretation of space watch heritage. Service for all N-42 case automatic movements.
B-42 Collection
The iconic 42mm case platform across multiple lines. Service for all chronograph and complication variants.
Vintage Fortis Restoration
Our approach maintains authenticity and character while replacing only essential components.
Vintage Models We Regularly Service:
- References from 1950s through to modern models
- Early Official Cosmonauts worn aboard Mir space station
- Vintage Flieger references with Lemania movements
- Flipper dive watch references from the 1960s
- Harwood automatic references (first automatic wristwatch)
- Manager and Trueline dress watch collections
- Marinemaster references with vintage lume
Can't see your model listed? We service all Fortis watches. Contact us on 020 7405 8504 for your specific reference or serial number.
About Our Fortis Expertise
Founded in 1912 in Grenchen, Switzerland, Fortis has built an exceptional legacy as the timekeeper for professionals in aviation and space exploration. The brand gained global recognition through its partnership with the Russian space program, becoming the official watch supplier for cosmonauts aboard Mir and the International Space Station.
As the Official UK Service Centre for Fortis, SwissMade has specialised in servicing these professional instruments since establishing our Hatton Garden workshop in 1985. Our team of Fortis-certified watchmakers has successfully serviced over 75,000 timepieces, developing particular expertise with the Flieger chronographs, Cosmonautis space watches, and vintage military-issued instruments that define the brand's heritage.
Our direct relationship with Fortis ensures access to genuine manufacturer parts and technical specifications, while our 8-12 week average turnaround time means you'll have your precision instrument back significantly faster than alternative service routes, without compromising on the meticulous standards these professional timepieces demand.
Frequently asked questions
Which Fortis models can SwissMade service?
As an Official UK Service Centre for Fortis, our certified watchmakers can service and repair all Fortis models, from professional aviation instruments to space-qualified timepieces. We regularly work on:
Flieger Collection:
- Flieger Professional (pilot's chronographs)
- Flieger Automatic
- F-39 and F-43 series
- Military-issued Flieger watches
Cosmonautis Collection:
- Cosmonautis (official Russian space program watches)
- Spacematic
- Space chronographs
Aquatis Collection:
- Aquatis (professional dive watches)
- Marinemaster
- B-47 Calculator Chronograph
Terrestis & Stratoliner:
- Terrestis collection
- Stratoliner chronographs
Vintage & Military:
- Vintage Fortis pilot watches
- Military-issued Fortis timepieces
- Heritage chronographs
With over 40 years as an Official Fortis Service Centre and 75,000+ timepieces successfully repaired, our team has the expertise and official accreditation to restore any Fortis to factory specifications. All services use genuine Fortis parts and are backed by our comprehensive 2-year warranty.
How much does a Fortis service cost at SwissMade?
Our Fortis Full Service starts from £200 and includes complete disassembly, ultrasonic cleaning, genuine Fortis parts replacement, and our comprehensive 2-year warranty. For lighter maintenance needs, our Fortis Basic Maintenance service starts from £100 and includes a 1-year warranty.
As an Official UK Service Centre for Fortis, we maintain the brand's commitment to precision timing instruments while offering competitive pricing and efficient turnaround times (8-12 weeks) using genuine manufacturer parts throughout.
Every repair begins with free full diagnostics from our Fortis-certified watchmakers. We'll provide you with a detailed estimate before any work begins, so you'll know exactly what to expect with no hidden costs. Request your free insured return postage pack to get started.
How does SwissMade's postal repair service work for Fortis watches?
We make Fortis repairs simple and secure:
- Request your free pack — We'll send you a fully insured (up to £25,000) secure return postage pack at no cost
- Free diagnostics — Our Fortis-certified watchmakers will inspect your timepiece and provide a detailed estimate within days
- Expert repair — Once approved, our Official Service Centre team (with over 200 years combined experience) will service your watch using only genuine Fortis parts
- Safe return — Your restored Fortis will be returned fully insured via next-day delivery
Our 8-12 week turnaround time and free fully insured postage means you can access Official Fortis servicing from anywhere in the UK without visiting our Hatton Garden workshop.
How often should I service my Fortis watch?
We recommend servicing your Fortis watch every 4-5 years for most models to maintain optimal performance, though professional instruments subjected to extreme conditions may benefit from more frequent servicing.
However, you should bring your Fortis in sooner if you notice:
- The watch is running fast or slow (more than the COSC chronometer specification)
- Condensation or moisture under the crystal (critical for dive models)
- The crown feels loose or difficult to wind
- Any unusual sounds when the watch is in motion
- Issues with chronograph functions or slide rule calculations (B-47 models)
- Visible damage to the case, crystal, or bracelet
- Problems with the unidirectional rotating bezel (for dive models)
- Luminous material degradation affecting legibility
As an Official Fortis Service Centre, our certified watchmakers ensure your timepiece maintains its accuracy, water resistance, and the professional-grade reliability Fortis has delivered to pilots, cosmonauts, and diving professionals. All our Fortis Full Services include a 2-year warranty for complete peace of mind.
Do you use genuine Fortis parts?
Yes, absolutely. As an Official UK Service Centre for Fortis, we exclusively use genuine Fortis manufacturer parts for all repairs and servicing. Using authentic Fortis components is essential for:
- Maintaining your watch's value, authenticity, and warranty status
- Ensuring optimal performance and chronometer-grade accuracy
- Preserving water resistance to original specifications
- Protecting your investment long-term
- Maintaining official Fortis service history
- Preserving professional instrument certification (where applicable)
Our Official Service Centre status gives us direct access to Fortis' parts supply and technical support. Our team of Fortis-certified watchmakers have over 200 years combined experience, ensuring your timepiece is restored to the brand's exacting professional standards and maintains the precision and reliability Fortis has delivered to aviation and space professionals since 1912, backed by our comprehensive 2-year warranty.
Find us
Visit Our Hatton Garden Workshop
Address
SwissMade Ltd21-22 Arundel House
43 Kirby Street
London EC1N 8TE
Opening hours
- Mon to Fri
- 9:00am to 5:30pm
- Saturday
- By appointment
- Sunday
- Closed
Getting here
- Chancery Lane (Central line), 3 min walk
- Farringdon (Underground and rail), 5 min walk
