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Omega seamaster midsize automatic

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Omega seamaster professional - seamaster,

Omega seamaster professional - seamaster,

£1230.70 · Buy It Now

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Omega seamaster diver 300m - omega,

Omega seamaster diver 300m - omega,

£3780.70 · Buy It Now

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Omega seamaster 300m - 300m, bezel

Omega seamaster 300m - 300m, bezel

£174.99 · Buy It Now

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Omega seamaster ref 176 002 - ref, in

Omega seamaster ref 176 002 - ref, in

£2709.70 · Buy It Now

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Omega seamaster diver 300m - seamaster,

Omega seamaster diver 300m - seamaster,

£3729.70 · Buy It Now

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Omega seamaster diver - omega,

Omega seamaster diver - omega,

£4081.60 · Buy It Now

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Omega seamaster professional - seamaster,

Omega seamaster professional - seamaster,

£1800.00 · Buy It Now

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Omega seamaster 300m 36mm mid - seamaster,

Omega seamaster 300m 36mm mid - seamaster,

£1802.91 · Buy It Now

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Omega seamaster 300 automatic - omega,

Omega seamaster 300 automatic - omega,

£2250.70 · Buy It Now

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Omega seamaster 300m automatic - omega,

Omega seamaster 300m automatic - omega,

£2895.00 · Buy It Now

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Omega seamaster 300 - omega,

Omega seamaster 300 - omega,

£1995.00 · Buy It Now

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Omega seamaster midsize quartz - omega,

Omega seamaster midsize quartz - omega,

£2099.00 · Buy It Now

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Omega seamaster professional - omega,

Omega seamaster professional - omega,

£1545.00 · Buy It Now

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Omega seamaster automatic - omega,

Omega seamaster automatic - omega,

£799.99 · Buy It Now

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Omega seamaster ref 176 - omega,

Omega seamaster ref 176 - omega,

£2709.70 · Buy It Now

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2024 omega seamaster diver - seamaster,

2024 omega seamaster diver - seamaster,

£3576.70 · Buy It Now

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Omega seamaster 300m - seamaster, diver

Omega seamaster 300m - seamaster, diver

£3219.70 · Buy It Now

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Omega seamaster 300m - omega,

Omega seamaster 300m - omega,

£3600.00 · Buy It Now

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Omega seamaster professional - omega,

Omega seamaster professional - omega,

£2450.00 · Buy It Now

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Omega seamaster pro 300m - pro,

Omega seamaster pro 300m - pro,

£2950.00 · Buy It Now

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Omega seamaster black - omega,

Omega seamaster black - omega,

£2600.00 · Buy It Now

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Omega seamaster professional - seamaster,

Omega seamaster professional - seamaster,

£2250.70 · Buy It Now

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Omega seamaster professional - omega,

Omega seamaster professional - omega,

£1925.00 · Buy It Now

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Omega seamaster pro diver - omega,

Omega seamaster pro diver - omega,

£1699.00 · Buy It Now

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Omega seamaster diver 300m - omega,

Omega seamaster diver 300m - omega,

£4850.00 · Buy It Now

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Omega seamaster men black - seamaster,

Omega seamaster men black - seamaster,

£2995.00 · Buy It Now

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Omega seamaster 300 2252 50 - 300,

Omega seamaster 300 2252 50 - 300,

£2750.00 · Buy It Now

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Box papers omega - omega, seamaster

Box papers omega - omega, seamaster

£2399.00 · Buy It Now

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Omega seamaster 007 white - omega,

Omega seamaster 007 white - omega,

£5195.00 · Buy It Now

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Omega seamaster professional - omega,

Omega seamaster professional - omega,

£2252.14 · Buy It Now

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Omega seamaster 300 - omega, (2017)

Omega seamaster 300 - omega, (2017)

£3150.00 · Buy It Now

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Omega seamaster diver 300mm - diver,

Omega seamaster diver 300mm - diver,

£4760.00 · Buy It Now

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Omega seamaster diver - seamaster, 300m

Omega seamaster diver - seamaster, 300m

£3984.70 · Buy It Now

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Omega seamaster 42mm - seamaster, (2020)

Omega seamaster 42mm - seamaster, (2020)

£3627.70 · Buy It Now

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Omega seamaster automatic date - omega,

Omega seamaster automatic date - omega,

£690.00 · Buy It Now

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2025 omega seamaster - 2025,

2025 omega seamaster - 2025,

£5050.00 · Buy It Now

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Omega seamaster - papers),

Omega seamaster - papers),

£2700.00 · Buy It Now

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Omega seamaster professional - seamaster,

Omega seamaster professional - seamaster,

£1281.70 · Buy It Now

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Omega seamaster recife - omega,

Omega seamaster recife - omega,

£924.70 · Buy It Now

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Omega seamaster blue men - blue, men's

Omega seamaster blue men - blue, men's

£1621.82 · Buy It Now

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Omega seamaster 300 - omega,

Omega seamaster 300 - omega,

£3250.00 · Buy It Now

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Omega seamaster diver - omega, 300m

Omega seamaster diver - omega, 300m

£3795.00 · Buy It Now

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Omega seamaster 42mm - omega,

Omega seamaster 42mm - omega,

£3750.00 · Buy It Now

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Omega seamaster gents quartz - seamaster,

Omega seamaster gents quartz - seamaster,

£1791.70 · Buy It Now

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Omega seamaster 300 - omega,

Omega seamaster 300 - omega,

£1600.00 · Buy It Now

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Omega seamaster professional - omega,

Omega seamaster professional - omega,

£3576.70 · Buy It Now

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Omega seamaster 300 36mm - 300,

Omega seamaster 300 36mm - 300,

£1750.00 · Buy It Now

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Omega seamaster 300 - seamaster, (2025)

Omega seamaster 300 - seamaster, (2025)

£4595.00 · Buy It Now

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Omega seamaster 41mm - seamaster,

Omega seamaster 41mm - seamaster,

£2399.00 · Buy It Now

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Omega seamaster 42mm - 42mm,

Omega seamaster 42mm - 42mm,

£3750.00 · Buy It Now

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Omega seamaster 42mm summer - seamaster,

Omega seamaster 42mm summer - seamaster,

£4450.00 · Buy It Now

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Omega seamaster 300 - omega,

Omega seamaster 300 - omega,

£2995.00 · Buy It Now

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Omega seamaster ceramic 300m - ceramic,

Omega seamaster ceramic 300m - ceramic,

£3495.00 · Buy It Now

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Omega seamaster 42mm - seamaster,

Omega seamaster 42mm - seamaster,

£3750.00 · Buy It Now

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Serviced omega seamaster - omega,

Serviced omega seamaster - omega,

£3199.00 · Buy It Now

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Omega seamaster 44mm - seamaster, (2022)

Omega seamaster 44mm - seamaster, (2022)

£5350.00 · Buy It Now

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Omega seamaster 300 - omega,

Omega seamaster 300 - omega,

£3250.00 · Buy It Now

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Omega seamaster coaxial - omega,

Omega seamaster coaxial - omega,

£3474.70 · Buy It Now

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Omega seamaster 300m - 300m, co

Omega seamaster 300m - 300m, co

£2795.00 · Buy It Now

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Omega seamaster 300 watch - omega,

Omega seamaster 300 watch - omega,

£3950.00 · Buy It Now

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Omega seamaster gents - omega,

Omega seamaster gents - omega,

£1695.00 · Buy It Now

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Omega seamaster 2561 - omega,

Omega seamaster 2561 - omega,

£2195.00 · Buy It Now

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Omega mens seamaster - mens, diver

Omega mens seamaster - mens, diver

£6095.00 · Buy It Now

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Omega seamaster diver 300m - seamaster,

Omega seamaster diver 300m - seamaster,

£2185.00 · Buy It Now

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Omega seamaster - omega,

Omega seamaster - omega,

£3495.00 · Buy It Now

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Omega seamaster 300m - omega, co

Omega seamaster 300m - omega, co

£3095.00 · Buy It Now

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Omega seamaster 300 - omega,

Omega seamaster 300 - omega,

£3995.00 · Buy It Now

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Omega seamaster 42mm - seamaster,

Omega seamaster 42mm - seamaster,

£3495.00 · Buy It Now

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2019 omega mens seamaster - omega,

2019 omega mens seamaster - omega,

£2995.00 · Buy It Now

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Omega seamaster professional - omega,

Omega seamaster professional - omega,

£3695.00 · Buy It Now

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Omega seamaster heritage 300 - seamaster,

Omega seamaster heritage 300 - seamaster,

£3677.68 · Buy It Now

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Omega seamaster 300m blue - seamaster, dial

Omega seamaster 300m blue - seamaster, dial

£7195.00 · Buy It Now

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Omega seamaster diver 300m - omega,

Omega seamaster diver 300m - omega,

£4680.00 · Buy It Now

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Omega seamaster diver - seamaster, 300m

Omega seamaster diver - seamaster, 300m

£3650.00 · Buy It Now

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Omega seamaster golden - golden, 007

Omega seamaster golden - golden, 007

£2295.00 · Buy It Now

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Omega seamaster 300m - 300m, date

Omega seamaster 300m - 300m, date

£2699.00 · Buy It Now

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Omega seamaster diver 300m - omega,

Omega seamaster diver 300m - omega,

£1600.00 · Buy It Now

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Omega seamaster 300 - omega,

Omega seamaster 300 - omega,

£3899.99 · Buy It Now

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Omega seamaster diver 300m - omega,

Omega seamaster diver 300m - omega,

£5736.70 · Buy It Now

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Omega seamaster 300m 41mm - seamaster,

Omega seamaster 300m 41mm - seamaster,

£2195.00 · Buy It Now

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Omega seamaster diver - omega, 300m

Omega seamaster diver - omega, 300m

£4450.00 · Buy It Now

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Omega seamaster 300 green dial - 300,

Omega seamaster 300 green dial - 300,

£3650.00 · Buy It Now

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Omega seamaster diver 300m - seamaster,

Omega seamaster diver 300m - seamaster,

£4286.70 · Buy It Now

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Omega seamaster professional - omega,

Omega seamaster professional - omega,

£2321.47 · Buy It Now

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Omega seamaster heritage 300 - omega,

Omega seamaster heritage 300 - omega,

£4250.00 · Buy It Now

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Omega seamaster midsize - seamaster,

Omega seamaster midsize - seamaster,

£2352.70 · Buy It Now

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Omega seamaster diver 300m - seamaster, |

Omega seamaster diver 300m - seamaster, |

£4450.00 · Buy It Now

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Omega seamaster men - omega, men's

Omega seamaster men - omega, men's

£2454.70 · Buy It Now

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Omega seamaster diver - omega,

Omega seamaster diver - omega,

£4595.00 · Buy It Now

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Omega seamaster 300 - seamaster, 2231.80.00

Omega seamaster 300 - seamaster, 2231.80.00

£3495.00 · Buy It Now

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Omega seamaster professional - seamaster,

Omega seamaster professional - seamaster,

£2959.60 · Buy It Now

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Omega seamaster professional - seamaster,

Omega seamaster professional - seamaster,

£2599.00 · Buy It Now

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Omega seamaster 2503 00 - seamaster, 2503.33.00

Omega seamaster 2503 00 - seamaster, 2503.33.00

£3595.00 · Buy It Now

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Omega seamaster diver 300m - diver,

Omega seamaster diver 300m - diver,

£4300.00 · Buy It Now

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Omega seamaster 120m 2511 - 120m, 2511.31

Omega seamaster 120m 2511 - 120m, 2511.31

£668.18 · Buy It Now

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Omega seamaster professional - seamaster,

Omega seamaster professional - seamaster,

£1038.82 · Buy It Now

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📊96 listings · from £174.99 · avg £3074.04
⚠️ These listings were last updated more than 18 days ago. Search for fresh listings

Browse 96 omega seamaster midsize automatic listings currently in our index. Prices range from £174.99 to £7195, with an average of £3074.04. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about omega seamaster midsize automatic →

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Everything you need to know about omega seamaster midsize automatic

Whether you are looking for a brand-new or second-hand omega seamaster midsize automatic, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £174.99, while premium listings can reach £7195 — giving you a wide budget spread to work with. The average price of £3074.04 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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