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Omega Seamaster Aqua Terra 30mm Stainless Steel
Ref. O23110306102001
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Stepping up in Omega's range
The Aqua Terra sits at an interesting point in Omega's Seamaster range — a watch designed to cross between the sailing world and everyday wear, carrying a water resistance that far exceeds what a dress watch would need while remaining slim enough at 10mm to disappear under a cuff. The 30mm case makes it a natural fit for a narrower wrist, worn close and unobtrusive. The dial's vertical line pattern derives from the teak decking of ocean-going yachts, and at this diameter the texture reads with more intimacy than it does on larger siblings — you notice the grain rather than scan past it. The Calibre 1424 includes an end-of-battery indicator, so the seconds hand begins jumping in two-second intervals before the battery fails entirely, giving several weeks of warning rather than a sudden stop.
- Reference
- O23110306102001
- Brand
- Omega
- Collection
- Seamaster
- Case size
- 30mm
- Case thickness
- 10mm
- Case material
- Stainless steel
- Case shape
- Round
- Dial
- Silver
- Crystal
- Sapphire
- Movement
- Quartz
- Calibre
- 1424
- Functions
- Date
- Water resistance
- 150m
- Bracelet / strap
- Stainless steel bracelet
- Strap colour
- Silver
- Clasp
- Folding clasp
- Lume
- Luminous
- Condition
- Pre-owned
- Retailer
- Mappin & Webb
Additional specifications
- Origin
- Swiss made
Learn more about Omega
Louis Brandt began assembling pocket watches in La Chaux-de-Fonds in 1848. His sons moved production to Biel in 1880 and, in 1894, released a calibre whose parts were fully interchangeable and which could be serviced by any watchmaker with standard tools. They named it Omega. The movement was successful enough that the company took its name.
Omega's history is bound up with measurement in public. It became official timekeeper of the Olympic Games in 1932 and has held the role for most Games since, which drove genuine engineering: photo-finish cameras, touchpads in swimming pools, and the timing systems that made hundredths of a second meaningful.
NASA qualified the Speedmaster for manned spaceflight in 1965 after testing chronographs from several manufacturers to destruction, and it was on Buzz Aldrin's wrist on the lunar surface in 1969. The watch has never been substantially redesigned.
The Seamaster line dates to 1948 and covers everything from dress watches to saturation diving instruments. Omega's technical position strengthened considerably after 1999 with the adoption of George Daniels' co-axial escapement, the first genuinely new escapement to reach series production in two centuries, and more recently through Master Chronometer certification testing resistance to magnetic fields at 15,000 gauss.
The company has been part of the Swatch Group since its formation.
- 1848
- Louis Brandt starts assembling watches in La Chaux-de-Fonds.
- 1894
- The Omega calibre gives the company its name.
- 1932
- Becomes official timekeeper of the Olympic Games.
- 1948
- The Seamaster line is introduced.
- 1965
- NASA qualifies the Speedmaster for manned spaceflight.
- 1999
- The co-axial escapement enters series production.
Also in 7 collections
This watch appears in the Omega Seamaster range (5), Back in Stock (5,399), Stainless Steel Watches (3,501), Watches Under 37mm (1,867), Silver Dial Watches (786), Dive Watches (595) and Pre-Owned, Ex-Display & Vintage Watches (375).
Temporarily out of stock
Mappin & Webb is not currently taking orders for this reference. Last listed as available on 14 September 2026. Stock is checked nightly and this page updates when it returns.
What the specifications mean
Strengths
- 150m water resistance covers swimming and watersports
- 30mm wears small and slips under any cuff
- Sapphire crystal, which resists scratching
- Luminous hands and markers for low light
- Sits in the lower half of Omega's range as we list it
Omega Seamaster Aqua Terra alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | O23110306102001 | W7234812/A785 | L52550716 |
|---|---|---|---|
| Price | £2,150 | £2,550 | £2,950 |
| Case size | 30mm | 29mm | 32mm |
| Water resistance | 150m | 100m | 30m |
| Movement | Quartz | Quartz | Quartz |
| Strap | Stainless steel bracelet | Stainless steel bracelet | Stainless steel bracelet |
| This watch |
|
|
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
Yes. At 150m it is rated for swimming and snorkelling, though not for diving.
Water resistance explainedWill the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Sapphire, mineral and acrylic comparedDoes it need a battery?
Yes. It is quartz, so expect a battery change every two to three years at a jeweller.
Quartz, automatic and solar comparedIs it a men's or women's watch?
Listed as unisex, and at this size it suits any wrist that takes the dimensions.
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