1617 watches
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Omega Seamaster Planet Ocean QUICK VIEW
Omega Seamaster Planet Ocean

215.30.44.21.01.002, 43.5 mm, Black, Steel, Like new & unworn, Steel

USD 6,064
USD 6,520
In Stock
Omega Speedmaster Professional Moonwatch QUICK VIEW
Omega Speedmaster Professional Moonwatch

310.20.42.50.99.001, 42 mm, Pink, Gold/Steel, Like new & unworn, Gold/Steel

USD 17,531
USD 18,850
In Stock
Omega Seamaster Planet Ocean Chronograph QUICK VIEW
Omega Seamaster Planet Ocean Chronograph

215.92.46.51.99.001, 45.5 mm, Grey, Titanium, Like new & unworn, Grey

USD 8,789
USD 9,450
In Stock
Omega Seamaster Planet Ocean Chronograph QUICK VIEW
Omega Seamaster Planet Ocean Chronograph

215.30.46.51.03.001, 45.5 mm, Blue, Steel, Like new & unworn, Steel

USD 7,487
USD 8,050
In Stock
Omega Seamaster Planet Ocean Chronograph QUICK VIEW
Omega Seamaster Planet Ocean Chronograph

215.92.46.51.01.003, 45.5 mm, Black, Ceramic, Like new & unworn, Black

USD 11,058
USD 11,890
In Stock
Omega Speedmaster QUICK VIEW
Omega Speedmaster

311.93.44.51.04.002, 44.25 mm, White, Ceramic, Like new & unworn, White

USD 12,843
USD 13,810
In Stock
Omega Seamaster Planet Ocean QUICK VIEW
Omega Seamaster Planet Ocean

215.92.46.22.01.004, 45.5 mm, Black, Ceramic, Like new & unworn, Black

USD 9,133
USD 9,820
In Stock
Omega De Ville Prestige QUICK VIEW
Omega De Ville Prestige

424.20.37.20.02.002, 36.8 mm, Silver, Gold/Steel, Like new & unworn, Gold/Steel

USD 4,222
USD 4,540
In Stock
Omega Museum QUICK VIEW
Omega Museum

5704-6002, 36.2 mm, Brown, Red gold, Used (Very good), Brown

USD 8,789
USD 9,450
In Stock
Omega Constellation QUICK VIEW
Omega Constellation

131.10.29.20.02.001, 29 mm, Silver, Steel, Like new & unworn, Steel

USD 4,520
USD 4,860
In Stock
Omega De Ville Prestige QUICK VIEW
Omega De Ville Prestige

424.55.27.60.55.001, 27.4 mm, Mother of pearl, Yellow gold, Like new & unworn, Gold

USD 13,336
USD 14,340
In Stock
Omega Speedmaster Spacemaster Z-33 QUICK VIEW
Omega Speedmaster Spacemaster Z-33

325.92.43.79.01.001, 53 x 43 mm, Black, Titanium, Like new & unworn, Black

USD 3,599
USD 3,870
In Stock
Omega Constellation Quartz QUICK VIEW
Omega Constellation Quartz

123.55.27.60.55.012, 27 mm, White, White gold, Like new & unworn, Silver

USD 24,013
USD 25,820
In Stock
Omega Constellation Ladies QUICK VIEW
Omega Constellation Ladies

123.25.35.20.52.003, 35 mm, Silver, Gold/Steel, Like new & unworn, Gold/Steel

USD 7,375
USD 7,930
In Stock
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Omega De Ville Trésor QUICK VIEW
Omega De Ville Trésor

428.58.36.60.03.001, 36 mm, Brown, Rose gold, Like new & unworn, Brown

USD 5,906
USD 6,350
In Stock
Omega Constellation Quartz QUICK VIEW
Omega Constellation Quartz

123.55.24.60.55.013, 24 mm, Mother of pearl, Red gold, Like new & unworn, Gold

USD 18,284
USD 19,660
In Stock
Omega De Ville Trésor QUICK VIEW
Omega De Ville Trésor

432.18.40.21.03.001, 40 mm, Blue, Steel, Like new & unworn, Blue

USD 7,133
USD 7,670
In Stock
Omega Constellation Ladies QUICK VIEW
Omega Constellation Ladies

123.55.27.20.55.004, 27 mm, Mother of pearl, Red gold, Like new & unworn, Gold

USD 22,636
USD 24,340
In Stock
Omega Seamaster Diver 300 M QUICK VIEW
Omega Seamaster Diver 300 M

210.30.42.20.04.002, 42 mm, White, Steel, Like new & unworn, Steel

USD 6,817
USD 7,330
In Stock
Omega Constellation QUICK VIEW
Omega Constellation

131.20.28.60.02.002, 28 mm, Silver, Gold/Steel, Like new & unworn, Gold/Steel

USD 5,031
USD 5,410
In Stock
Omega Seamaster Ultra Deep 6000M QUICK VIEW
Omega Seamaster Ultra Deep 6000M

215.30.46.21.06.001, 45.5 mm, Grey, Steel, Like new & unworn, Steel

USD 10,342
USD 11,120
In Stock
Omega De Ville Prestige QUICK VIEW
Omega De Ville Prestige

413.58.37.20.58.001, 36.5 mm, Champagne, Yellow gold, Like new & unworn, Brown

USD 7,561
USD 8,130
In Stock
Omega De Ville Trésor QUICK VIEW
Omega De Ville Trésor

435.53.40.21.06.001, 40 mm, Grey, Rose gold, Like new & unworn, Grey

USD 14,210
USD 15,280
In Stock
Omega Seamaster Aqua Terra QUICK VIEW
Omega Seamaster Aqua Terra

231.28.34.20.55.003, 34 mm, White, Gold/Steel, Like new & unworn, White

USD 7,338
USD 7,890
In Stock
Omega Seamaster Planet Ocean QUICK VIEW
Omega Seamaster Planet Ocean

522.32.40.20.01.004, 39.5 mm, Black, Steel, Like new & unworn, Red

USD 4,259
USD 4,580
In Stock
Omega De Ville Prestige QUICK VIEW
Omega De Ville Prestige

424.57.37.20.55.001, 36.8 mm, White, Yellow gold, Like new & unworn, White

USD 11,486
USD 12,350
In Stock
Omega Constellation Quartz QUICK VIEW
Omega Constellation Quartz

123.55.24.60.55.011, 24 mm, White, Red gold, Like new & unworn, Gold

USD 18,730
USD 20,140
In Stock
Omega De Ville Prestige QUICK VIEW
Omega De Ville Prestige

424.18.27.60.51.001, 27.4 mm, Black, Steel, Like new & unworn, Black

USD 3,236
USD 3,480
In Stock
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Buy Certified Pre-Owned Omega Watches in Switzerland

Omega was founded in La Chaux-de-Fonds in 1848 and has accumulated a catalogue of technical achievements that few Swiss manufacturers can match for breadth or historical significance. The Co-Axial escapement, introduced in 1999 and the first genuinely new lever escapement design to reach commercial production in over 250 years, reduced internal friction and extended service intervals in a way that changed expectations for movement longevity across the industry. Add the Speedmaster's role as the only watch certified by NASA for all manned space missions, the Seamaster's service as the official watch of the Royal Navy's diving operations, and the De Ville's consistent presence at the top of dress watch shortlists, and what emerges is a brand whose commercial success is matched by a technical record that justifies it.

At WATCHOYSTER, we carry a selection of certified pre-owned Omega watches sourced and inspected in Switzerland. Every piece has been physically examined by our in-house certified watchmaker, verified against The Watch Register, and documented before listing. What you see reflects the actual condition of the watch, with no exceptions.

Why Buy Pre-Owned Omega

Omega represents one of the most liquid and well-documented segments of the pre-owned Swiss watch market. Demand is consistent across Speedmaster Professional chronographs, Seamaster Aqua Terra and Planet Ocean references, and Constellation pieces, while the secondary market also offers access to discontinued dial variants, limited editions and co-branded references that no longer appear at retail. A certified pre-owned Omega with original box and papers from a verified dealer in Switzerland is among the most straightforward pre-owned purchases in the luxury watch market, with clear reference documentation, well-understood value benchmarks and a collector community large enough to provide genuine price transparency. Our 12-month warranty applies to every watch in our catalogue, and our 14-day return policy covers any case where the watch does not correspond to its description.

Purchase Conditions

Every Omega in our catalogue is ready for immediate dispatch with insured delivery to over 50 countries. Buyers in Switzerland receive their order within 2 to 3 business days. If you would rather collect in person and inspect the watch before taking it home, our appointment-only lounge in the Geneva Free Zone accommodates that without difficulty.

For buyers based in Switzerland, 0% financing is available on selected pre-owned Omega references across terms from 3 to 24 months, with no interest and no fee attached. The minimum first payment is 25% of the purchase price, with the balance divided into equal fixed monthly instalments confirmed at checkout in under three minutes with no documentation required.

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