Genuine Omega Speedmaster Professional 20mm Steel Bracelet | Clasp 1958/989

Omega

£490.00 GBP
REF. 1958/989 Factory Part
Lug Width 20mm
Material Stainless Steel
End Style Curved
Type OEM ORIGINAL
Genuine OEM Part Original Manufacturer Part · Reference Validated
Reference Validated
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THE Omega LEGACY

Restore the hallmark profile of your timepiece. This OEM ORIGINAL stainless steel bracelet (Ref: 1958/989 ) is the definitive choice for the Speedmaster Professional Moonwatch 42mm; supplied 1861 / 1863, vintage, limited-edition and 3861 candidates require exact fit checks, keeping your Omega at its factory-correct aesthetic and prestige.

TECHNICAL ATTRIBUTES

  • Material & Construction: the same grade steel and metal alloys used by leading manufacturers — precision-machined, corrosion-resistant, and built to last.
  • Case Integration: Engineered with a precision Curved profile, 20.0mm lug width for a seamless, gap-free fit to the Speedmaster Professional Moonwatch 42mm; supplied 1861 / 1863, vintage, limited-edition and 3861 candidates require exact fit checks case.
  • Hardware: Complete with integrated buckle, Approx. 180mm uninstalled (supplied measurement); fitted wrist capacity depends on case, links and clasp setting total length.
  • Authentic Provenance: A verified OEM ORIGINAL part, independently sourced and inspected before dispatch.
Genuine OEM Strap
Original Manufacturer Packaging
Reference 1958/989
Material Stainless Steel
Lug Width 20mm
End Style Curved
Clasp Deployment Clasp
Length Approx. 180mm uninstalled (supplied measurement); fitted wrist capacity depends on case, links and clasp setting
Includes Buckle Complete with integrated buckle
Colour Silver
Fit For Speedmaster Professional Moonwatch 42mm; supplied 1861 / 1863, vintage, limited-edition and 3861 candidates require exact fit checks

Designed for these Speedmaster Professional Moonwatch 42mm; supplied 1861 / 1863, vintage, limited-edition and 3861 candidates require exact fit checks models:

COMPATIBLE & COMPLEMENTARY MODELS
Supplied 20mm curved solid end-link configuration; clasp blade stamped 1958/989 / 50 / IJH. Clasp stamping alone does not establish complete-bracelet identity or end-link fit.
PRIMARY SUPPLIED APPLICATIONS
Speedmaster Professional Moonwatch Big Box, 42mm, Calibre 1861 / 1863:
311.30.42.30.01.005 — Classic Hesalite on steel; supplied replacement application
311.32.42.30.01.005 — Hesalite on NATO / leather; supplied steel-conversion application
311.30.42.30.01.006 — Sapphire Sandwich on steel
311.32.42.30.01.006 — Sapphire Sandwich on leather; supplied steel-conversion application
CLASSIC & VINTAGE MOONWATCH, 42mm
3570.50.00 — Hesalite; supplied 1996–2014 application / screw-link upgrade candidate
3572.50.00 — Hesalite / sapphire display back
3573.50.00 — Classic Sapphire Sandwich
3590.50.00
145.022
145.0022
LIMITED & ANNIVERSARY EDITIONS, SUPPLIED 42mm / 20mm APPLICATIONS
311.32.42.30.04.003 — Apollo 13 Silver Snoopy Award 45th Anniversary
311.30.42.30.01.002 — Tintin Racing
311.30.42.30.99.001 — Supplied Apollo 11 anniversary application; supplied 50th-anniversary designation requires confirmation
522.30.42.30.04.001 / 522.30.42.30.03.001 — Tokyo 2020 Limited Editions
MASTER CHRONOMETER CALIBRE 3861, 42mm
310.30.42.50.01.001 — Hesalite
310.30.42.50.01.002 — Sapphire
310.30.42.50.04.001 — Lacquered white dial
FITMENT NOTES
All applications supplied by the merchant; exact factory pairings not independently verified. Confirm actual 20mm end-link width, end-link curvature, spring-bar specification, hole position, case clearance and secure seating on the exact watch. Vintage, special-edition and 3861 cases require individual checks. The supplied claim that standard 1.8mm spring bars ensure clean mounting to 3861 cases is unverified; use the spring-bar specification confirmed for both the exact case and end links. Professional fitting recommended.
REFERENCE NOTES
1958/989 is the supplied clasp-blade stamping, not a verified complete-bracelet MPN. Suggested equivalents 1958/957 / STZ004194 / 020ST1958957 and spare-link compatibility with 114ST1957 require confirmation. Shared clasp-blade production across widths has not been independently verified.
SIZE NOTES
Approx. 180mm uninstalled, as supplied; check links present and fitted circumference. No guaranteed 8.25-inch or larger wrist fit.
EXCLUSIONS
Other lug widths, incompatible end-link shapes, mismatched spring-bar holes or insufficient case clearance. Not a universal bracelet for all 42mm Speedmasters. Watch not included.
Orders placed before 4pm (UK time) dispatched the same working day (Mon–Fri). All orders ship fully insured; signature required.
UK StandardRoyal Mail Special Delivery — Next working day
FREE
EuropeDHL Express — 3–5 working days
£25.00
Rest of WorldDHL Express — 3–8 working days
£45.00
View full shipping information
30-day returns & exchanges. Not genuine? Full refund.
Return WindowFrom the day of delivery
30 Days
ExchangesSwap for another size or style
Available
Item ConditionAll original packaging intact
Unworn
OEM Parts PolicyNo returns if fitted to watch
Sealed Only
AuthenticityBelieve it isn't genuine?
Full Refund
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

ORIX GB is an independent reseller specialising in genuine OEM watch straps. We are not affiliated with, authorised by, or endorsed by any watch manufacturer. All brand names, model names, and trademarks are the property of their respective owners and are used only to describe compatibility.

Genuine Omega Speedmaster Professional 20mm Steel Bracelet | Clasp 1958/989
Genuine Omega Speedmaster Professional 20mm Steel Bracelet | Clasp 1958/989
£490.00

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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

Genuine OEM components - reference-verified and individually inspected before dispatch. Materials and finish meet the original manufacturer's specification.

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

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