Genuine Omega Seamaster Planet Ocean 600M 43.5mm Steel Bracelet 21mm | Z021376 / Z021496

Omega

£450.00 GBP
REF. Clasp Z021376 / ZD21376; end links Z021496 (supplied component references) Factory Part
Lug Width 21mm
Material Stainless Steel
End Style Curved
Type OEM ORIGINAL
Genuine OEM Part Original Manufacturer Part · Reference Validated
Reference Validated
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30-Day Returns
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12-Month Warranty
30-Day Returns · No Questions Asked
1
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THE Omega LEGACY

Restore the hallmark profile of your timepiece. This OEM ORIGINAL stainless steel bracelet (Ref: Clasp Z021376 / ZD21376; end links Z021496 (supplied component references)) is the definitive choice for the Seamaster Planet Ocean 600M Master Chronometer 43.5mm, Calibre 8900; supplied 43.5mm GMT Calibre 8906 applications require verification, 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, 21.0mm lug width for a seamless, gap-free fit to the Seamaster Planet Ocean 600M Master Chronometer 43.5mm, Calibre 8900; supplied 43.5mm GMT Calibre 8906 applications require verification case.
  • Hardware: Complete with integrated buckle, Approx. 185mm 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 Clasp Z021376 / ZD21376; end links Z021496 (supplied component references)
Material Stainless Steel
Lug Width 21mm
End Style Curved
Clasp Deployment Clasp
Length Approx. 185mm uninstalled (supplied measurement); fitted wrist capacity depends on case, links and clasp setting
Includes Buckle Complete with integrated buckle
Colour Silver
Fit For Seamaster Planet Ocean 600M Master Chronometer 43.5mm, Calibre 8900; supplied 43.5mm GMT Calibre 8906 applications require verification

Designed for these Seamaster Planet Ocean 600M Master Chronometer 43.5mm, Calibre 8900; supplied 43.5mm GMT Calibre 8906 applications require verification models:

COMPATIBLE & COMPLEMENTARY MODELS
Supplied Planet Ocean 600M 43.5mm bracelet assembly with curved 21mm end links. Component references: clasp Z021376 / ZD21376; end links Z021496.
PRIMARY SUPPLIED APPLICATIONS
Planet Ocean 600M Co-Axial Master Chronometer, 43.5mm, Calibre 8900:
215.30.44.21.01.001 — Classic black ceramic dial / black bezel; supplied steel-replacement application
215.32.44.21.01.001 — Black dial on black rubber; supplied steel-conversion application
215.30.44.21.01.002 / 215.32.44.21.01.002 — Black dial with orange rubber bezel quarter
215.30.44.21.03.001 / 215.32.44.21.03.001 — Sunray blue ceramic dial and bezel
215.30.44.21.04.001 / 215.32.44.21.04.001 — White ceramic dial / orange bezel
SUPPLIED GMT APPLICATIONS, VERIFY CASE & END-LINK FIT
Planet Ocean 600M GMT Co-Axial Master Chronometer, supplied 43.5mm / Calibre 8906 designation:
215.30.44.22.01.001 — Black-and-white Day/Night bi-ceramic bezel on steel
215.32.44.22.01.001 — Black-and-white GMT on rubber; supplied steel-conversion application
FITMENT NOTES
Watch applications, case/calibre designations and component markings supplied by the merchant; exact factory pairings have not been independently verified. Confirm actual 21mm lug spacing, end-link shape, spring-bar specification, hole position, case clearance and secure seating on the exact reference, especially the supplied GMT applications. Case diameter or lug width alone does not guarantee fit. Clasp/end-link codes are not confirmation of a complete-bracelet MPN or production generation. Professional fitting recommended.
SIZE NOTES
Approx. 185mm uninstalled, as supplied. Check links present and fitted circumference; no guaranteed 8.25-inch or larger wrist fit.
EXCLUSIONS
Smaller Planet Ocean 39.5mm models with 19mm lugs.
Planet Ocean Chronograph 45.5mm models with 22mm lugs.
Earlier first/second-generation 42mm Planet Ocean references including 2201.50 and 232.30.42 families with 20mm lugs.
Seamaster Diver 300M 42mm cases with different case curvature and 20mm lugs.
Any other watch with mismatched lug width, end-link geometry or spring-bar arrangement. 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 Seamaster Planet Ocean 600M 43.5mm Steel Bracelet 21mm | Z021376 / Z021496
Genuine Omega Seamaster Planet Ocean 600M 43.5mm Steel Bracelet 21mm | Z021376 / Z021496
£450.00

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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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