Omega seamaster midsize automatic
Omega seamaster midsize automatic for sale on Ireland's largest auction and classifieds sites
Omega seamaster automatic - omega, - £1893.70
Omega seamaster automatic • Watch blue bezel • 36mm modal 2551.80.00 - Free postage - New and Used
Omega seamaster automatic • Watch blue bezel • 36mm modal 2551.80.00 - Free postage - New and Used
Omega seamaster 300m - seamaster, - £174.99
Bezel insert replaced • Bracelet pins collars - Free postage - New and Used
Bezel insert replaced • Bracelet pins collars - Free postage - New and Used
Omega seamaster professional - omega, - £3775.60
- Free postage - New and Used
- Free postage - New and Used
Omega seamaster diver - diver, 300m - £3984.70
Omega seamaster diver • 300m 42mm axial • Master chronometer automatic - Free postage - New and Used
Omega seamaster diver • 300m 42mm axial • Master chronometer automatic - Free postage - New and Used
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Omega seamaster professional - omega, - £1995.70
Comes omega box • Doesn include all • Half links 100 - Free postage - New and Used
Comes omega box • Doesn include all • Half links 100 - Free postage - New and Used
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48 listings · from £174.99 · avg £2695.96
⚠️ These listings were last updated more than 24 days ago.
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Browse 48 omega seamaster midsize automatic listings currently in our index. Prices range from £174.99 to £6400, with an average of £2695.96. 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 →
Omega seamaster 300m 36mm mid - omega, - £1802.91
Mid 36mm search • Around there not • Autos this reference - Free postage - New and Used
Mid 36mm search • Around there not • Autos this reference - Free postage - New and Used
Omega seamaster 300m automatic - omega, - £2795.00
- Free postage - New and Used
- Free postage - New and Used
Omega seamaster professional - seamaster, - £1399.99
Case 36mm midsize • Water resistance 300m • Not pressure tested - Free postage - New and Used
Case 36mm midsize • Water resistance 300m • Not pressure tested - Free postage - New and Used
Omega seamaster diver 300m - diver, - £5185.00
International warranty card • Dated 2026 case • 42mm water resistance - Free postage - New and Used
International warranty card • Dated 2026 case • 42mm water resistance - Free postage - New and Used
Omega seamaster 300m blue - omega, - £2709.70
You can see • Watch excellent condition • Automatic version red - Free postage - New and Used
You can see • Watch excellent condition • Automatic version red - Free postage - New and Used
Omega seamaster men - omega, men's - £3831.70
2023 omega seamaster • Dive 300m automatic • Worn few times - Free postage - New and Used
2023 omega seamaster • Dive 300m automatic • Worn few times - Free postage - New and Used
Omega seamaster - omega, - £3995.00
Model seamaster diver • 300m 210.32.42.20.01.003 dial • Colour black wave - Free postage - New and Used
Model seamaster diver • 300m 210.32.42.20.01.003 dial • Colour black wave - Free postage - New and Used
Mens omega seamaster 300 - mens, - £1795.00
Really nice watch • Good used condition • Some age related - Free postage - New and Used
Really nice watch • Good used condition • Some age related - Free postage - New and Used
Omega seamaster 200m - omega, - £1145.38
Weight shape product • Use kind cushioning • Materials pursue safety - Free postage - New and Used
Weight shape product • Use kind cushioning • Materials pursue safety - Free postage - New and Used
Omega seamaster professional - omega, - £860.86
Case about weekends • Are not available • Because office closed - Free postage - New and Used
Case about weekends • Are not available • Because office closed - Free postage - New and Used
Omega seamaster 007 white - omega, - £5495.00
This 41mm gents • Diver pairs robust • Stainless steel case - Free postage - New and Used
This 41mm gents • Diver pairs robust • Stainless steel case - Free postage - New and Used
Omega seamaster professional - seamaster, - £1500.00
Stainless steel case • Blue dial original • Bracelet spare links - Free postage - New and Used
Stainless steel case • Blue dial original • Bracelet spare links - Free postage - New and Used
Omega seamaster professional - seamaster, - £2250.70
Sale omega seamaster • 300m 41mm reference • 2531.80 classic blue - Free postage - New and Used
Sale omega seamaster • 300m 41mm reference • 2531.80 classic blue - Free postage - New and Used
Omega seamaster automatic - seamaster, - £2499.99
Would describe this • Watch overall great • Which considered very - Free postage - New and Used
Would describe this • Watch overall great • Which considered very - Free postage - New and Used
Omega seamaster 42mm - 42mm, - £3189.10
December 2019 watch • Originally sourced colour • Stainless steel case - Free postage - New and Used
December 2019 watch • Originally sourced colour • Stainless steel case - Free postage - New and Used
Omega seamaster pro men black - seamaster, - £1599.00
This example good • Condition supplied original • Boxes are rare - Free postage - New and Used
This example good • Condition supplied original • Boxes are rare - Free postage - New and Used
Omega seamaster 300 - 300, (2012) - £2950.00
Colour stainless steel • Case black dial • Bezel age april - Free postage - New and Used
Colour stainless steel • Case black dial • Bezel age april - Free postage - New and Used
Omega seamaster 42mm summer - seamaster, - £4350.00
Age december 2023 • Watch originally sourced • Excellent condition only - Free postage - New and Used
Age december 2023 • Watch originally sourced • Excellent condition only - Free postage - New and Used
Omega seamaster diver 300m - omega, - £2260.89
Helium escape valve • Doesnt get worn • Now hence sale - Free postage - New and Used
Helium escape valve • Doesnt get worn • Now hence sale - Free postage - New and Used
Omega seamaster 300m automatic - omega, - £2795.00
Helium escape valve • Crown slightly dented • Too this has - Free postage - New and Used
Helium escape valve • Crown slightly dented • Too this has - Free postage - New and Used
Omega seamaster 300m 2561 - seamaster, - £2250.00
Watch very good • Condition its age • Only minor signs - Free postage - New and Used
Watch very good • Condition its age • Only minor signs - Free postage - New and Used
Omega seamaster 300 - omega, - £2995.00
Colour stainless steel • Case navy blue • Bezel age december - Free postage - New and Used
Colour stainless steel • Case navy blue • Bezel age december - Free postage - New and Used
Omega seamaster aqua - seamaster, - £2400.00
This watch • Omega seamaster aqua • Terra men ref - Free postage - New and Used
This watch • Omega seamaster aqua • Terra men ref - Free postage - New and Used
Omega seamaster 2501 white - omega, 2501.21 - £964.49
Cal 1120 lug • Width quick set • Date work well - Free postage - New and Used
Cal 1120 lug • Width quick set • Date work well - Free postage - New and Used
Omega seamaster professional - omega, - £1362.77
Series seamaster amplitude • 224 228 dial • Color dark blue - Free postage - New and Used
Series seamaster amplitude • 224 228 dial • Color dark blue - Free postage - New and Used
Omega seamaster professional - seamaster, - £1008.07
Series seamaster crystal • Dial color dark • Blue haven done - Free postage - New and Used
Series seamaster crystal • Dial color dark • Blue haven done - Free postage - New and Used
Omega seamaster diver 300m - seamaster, - £6400.00
Stainless steel 18ct • Sedna gold rose • Fantastic opportunity own - Free postage - New and Used
Stainless steel 18ct • Sedna gold rose • Fantastic opportunity own - Free postage - New and Used
Omega seamaster 300m blue - 300m, - £3799.00
Highly desirable blue • Wave dial proven • Iconic design strong - Free postage - New and Used
Highly desirable blue • Wave dial proven • Iconic design strong - Free postage - New and Used
Omega seamaster diver 300m - seamaster, - £3284.95
42mm condition great • Watch has been • Worn remains - Free postage - New and Used
42mm condition great • Watch has been • Worn remains - Free postage - New and Used
Omega seamaster black - omega, - £3995.00
210.32.42.20.01.001 2020 unworn • Full set this • Example exceptionally well - Free postage - New and Used
210.32.42.20.01.001 2020 unworn • Full set this • Example exceptionally well - Free postage - New and Used
Omega seamaster automatic - omega, - £2352.70
Serial number stamped • Rear clock lug • 80451441 watch loses - Free postage - New and Used
Serial number stamped • Rear clock lug • 80451441 watch loses - Free postage - New and Used
Omega seamaster 300 - omega, no - £5699.99
- Free postage - New and Used
- Free postage - New and Used
Omega seamaster blue wave dial - omega, - £2195.00
This reference 2541.80 • Highly sought after • Represents classic pre - Free postage - New and Used
This reference 2541.80 • Highly sought after • Represents classic pre - Free postage - New and Used
Omega seamaster professional - seamaster, - £638.87
Series seamaster crystal • Haven done waterproof • Test however may - Free postage - New and Used
Series seamaster crystal • Haven done waterproof • Test however may - Free postage - New and Used
Omega seamaster 300 - 300, blue - £4100.00
Brand new unworn • 2025 omega seamaster • 300 diver blue - Free postage - New and Used
Brand new unworn • 2025 omega seamaster • 300 diver blue - Free postage - New and Used
Omega seamaster gents watch - gents, - £2657.68
Seamaster professional 300m • Launched 1990s redefined • Modern diver watch - Free postage - New and Used
Seamaster professional 300m • Launched 1990s redefined • Modern diver watch - Free postage - New and Used
Omega seamaster 300m 2254 - seamaster, - £2395.00
Compared more common • Skeleton hand seamasters • Sword handset gives - Free postage - New and Used
Compared more common • Skeleton hand seamasters • Sword handset gives - Free postage - New and Used
Omega seamaster professional - seamaster, - £1990.00
Omega seamaster professional • Chronometer 300m 2252.50 • 36mm relisted due - Free postage - New and Used
Omega seamaster professional • Chronometer 300m 2252.50 • 36mm relisted due - Free postage - New and Used
Omega seamaster 300m 41mm - omega, - £2862.70
Use pictures they • Are off actual • Item - Free postage - New and Used
Use pictures they • Are off actual • Item - Free postage - New and Used
Omega seamaster 300 - seamaster, - £3250.00
Age may 2018 • Watch colour stainless • Steel case black - Free postage - New and Used
Age may 2018 • Watch colour stainless • Steel case black - Free postage - New and Used
Omega seamaster 300 heritage - omega, - £3995.00
Unidirectional black oxalic • Anodized aluminium bezel • Case thickness - Free postage - New and Used
Unidirectional black oxalic • Anodized aluminium bezel • Case thickness - Free postage - New and Used
Box omega seamaster - [, ] - £1074.87
Weight shape product • Use kind cushioning • Materials pursue safety - Free postage - New and Used
Weight shape product • Use kind cushioning • Materials pursue safety - Free postage - New and Used
Omega seamaster professional - omega, - £1500.00
Omega seamaster professional • 200m watch from • 1990s features stainless - Free postage - New and Used
Omega seamaster professional • 200m watch from • 1990s features stainless - Free postage - New and Used
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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 48 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 £6400 — giving you a wide budget spread to work with. The average price of £2695.96 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.