Deployment Folding Clasp | 18mm Stainless Steel | L639119706W
Deployment Folding Clasp | 18mm Stainless Steel | L639119706W
Deployment Folding Clasp | 18mm Stainless Steel | L639119706W
Deployment Folding Clasp | 18mm Stainless Steel | L639119706W
Deployment Folding Clasp | 18mm Stainless Steel | L639119706W
Deployment Folding Clasp | 18mm Stainless Steel | L639119706W
Deployment Folding Clasp | 18mm Stainless Steel | L639119706W

Deployment Folding Clasp | 18mm Stainless Steel | L639119706W

Longines

£65.00 GBP
4.8 (8)
REF. L639119706W Swiss Made Factory Part
Lug Width 18.0mm
Material Stainless Steel
End Style Unknown
Type OEM ORIGINAL
Genuine OEM Part Original Manufacturer Part · Reference Validated
Order within --h --m --s for Free Dispatch Today.
1
30-Day Free Returns
Free UK Tracked Dispatch
12-Month Warranty
Free Returns · No Questions Asked

THE Longines LEGACY

Restore the hallmark profile of your timepiece. This OEM ORIGINAL component (Ref: L639119706W) is the definitive choice for the Conquest & HydroConquest, ensuring your Longines maintains the factory-correct aesthetic and prestige intended by the manufacturer.

TECHNICAL ATTRIBUTES

  • Architectural Integration: Engineered with a precision Unknown profile for a seamless, gap-free connection specifically for the Conquest & HydroConquest case.
  • Hardware Configuration: Complete with integrated buckle — allowing for a turnkey installation that adheres to the Conquest & HydroConquest design language.
  • Authentic Provenance: A verified OEM ORIGINAL part, manufactured to the exacting material and finish standards of the Longines atelier.
Genuine Omega Rubber Strap
Integrated Brushed Steel Buckle
Spring Bar Tool
ORIX Branded Packaging
Reference L639119706W
Material Stainless Steel
Lug Width 18.0mm
End Style Unknown
Clasp Brushed Steel Tang
Length 110mm / 75mm
Fit For Conquest & HydroConquest

Designed for these Conquest & HydroConquest models:

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Orders placed before 4pm (UK time) dispatched same working day (Mon–Fri).
UK StandardRoyal Mail Tracked 48 — 1–3 working days
FREE
UK ExpressRoyal Mail Special Delivery — Next working day
£8.95
EuropeDHL Express — 3–5 working days
£14.95
United StatesDHL Express — 3–8 working days
£18.95
View full shipping information
Free returns & exchanges on all UK orders. No questions asked.
Return WindowFrom the day of delivery
30 Days
ExchangesSwap for another size or style
FREE
Item ConditionAll original packaging intact
Unworn
OEM Parts PolicyNo returns if fitted to watch
Sealed Only
View full returns & exchange policy
1
Remove Current StrapUse the spring bar tool to depress the pin and gently slide the existing strap free from the lugs.
2
Align New StrapPosition the OEM strap between the lugs, ensuring the curved end sits flush against the case.
3
Secure Spring BarsCompress the spring bar, slot into position, and confirm both ends are locked into the lug holes.
No watchmaker required — takes under 5 minutes

12-Month Warranty Protection

All ORIX products come with our comprehensive 12-month warranty covering manufacturing defects and quality issues under normal use. Warranty registration verifies authenticity, activates priority support, and ensures you receive timely expiry reminders and expert care guidance—because premium components deserve premium care.

Coverage Includes:

  • Manufacturing defects: Defects in materials or workmanship that affect functionality
  • Functional failures: Parts that fail to perform as intended under normal use
  • OEM parts: All genuine OEM components purchased from our store
  • Repair or replacement: We will repair or replace defective items at our discretion

→ Register your warranty now

Deployment Folding Clasp | 18mm Stainless Steel | L639119706W
Conquest & HydroConquest Conquest & HydroConquest · Stainless Steel
£65.00
The OEM Difference

Why Choose Genuine OEM?

Factory Original vs Aftermarket — the difference is in the details that matter.

Case Integration

Factory straps are engineered to fit flush against the watch case without gaps, ensuring structural integrity and a seamless, tailored aesthetic.

OEM Original
Precision engineered flush fit
Generic Aftermarket
Standard straight or gapped fit

Material

Sourced from premium tanneries and foundries. Our vulcanised rubber and hand-stitched leathers exceed standard durability and elasticity tests.

OEM Original
Premium rubber or exotic leather
Generic Aftermarket
Standard silicone or split leather

Clasp & Hardware

OEM clasps are machined from 316L polished steel with twin-trigger deployant mechanisms. Featuring the exact same hardware finish as the factory component.

OEM Original
316L polished clasp — twin-trigger
Generic Aftermarket
Standard pin buckle or low-grade clasp

Authentication

Every OEM strap is reference-verified and matched to the manufacturer part number. It arrives with traceable provenance and a certificate of authenticity.

OEM Original
Reference-verified with certificate
Generic Aftermarket
No reference number or verification

Resale Value

Maintaining a luxury timepiece with 100% factory original parts preserves its collectible value and integrity on the global secondary market.

OEM Original
Preserves full market value
Generic Aftermarket
Depreciates collector valuation

Warranty

All factory replacement parts are backed by a comprehensive manufacturer guarantee against defects in materials and craftsmanship.

OEM Original
12-month factory guarantee
Generic Aftermarket
Limited or no warranty provided

Every OEM part we sell is sourced from authorised distributors and backed by our 12-month warranty.

One Watch. Infinite Looks. Every Occasion.

Your watch and strap should go together perfectly, but that doesn't mean you can't experiment with different combinations. Why not mix things up and see what happens?

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James Mitchell
Verified Purchaser
London, UK
Featured Review
Exceptional quality and craftsmanship 3 months ago
Absolutely stunning piece. The finishing is impeccable and the movement keeps perfect time. I've owned several luxury watches and this component exceeded my expectations. The attention to detail is remarkable, from the polished surfaces to the precise tolerances. Delivery was fast and packaging was premium. Highly recommend for anyone looking for genuine OEM quality.
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Lily White
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Belfast, Northern Ireland
Great Product 4 months ago
Pristine article. Top condition. Good value. Great trader
Yes, I recommend this product.
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Lucy Turner
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Barcelona, Spain
Genuine Article January 11, 2025
All good & just as advertised.
Yes, I recommend this product.
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Hannah Turner
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Boston, USA
Genuine OEM Quality January 23, 2025
Great item and very friendly seller
Yes, I recommend this product.
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Anonymous
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Great Product 3 months ago
Noah Mitchell
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Sydney, Australia
Better Than Expected January 29, 2025
Perfect! As described, fast delivery, all good! A+++
Yes, I recommend this product.
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Amelia Campbell
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London, UK
Quick Delivery, Perfect 5 months ago
perfect product & transaction
Yes, I recommend this product.
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Eleanor Jackson
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Oxford, UK
Exactly What I Needed 8 months ago
Thanks look good
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