Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 34 Stainless Steel / Diamond / MOP
Reference 231.18.34.20.55.001
About this watch
The Omega Seamaster Aqua Terra 231.18.34.20.55.001 is a masterpiece of luxury watchmaking, blending elegance with precision in a stunning package. Crafted from stainless steel and adorned with diamond accents, this 34mm timepiece exudes sophistication and refinement. The Mother of Pearl dial shines with an iridescent quality, while the gem-set indexes add a luxurious touch. Powered by the Omega caliber 8521 movement, this watch boasts accurate timekeeping and a remarkable power reserve of 50 hours. With its robust stainless steel case and scratch-resistant sapphire crystal, it's built to withstand the elements. Whether you're swimming, snorkeling, or just enjoying everyday wear, this Aqua Terra is the perfect companion. Its versatile design effortlessly transitions from casual to formal occasions, making it a staple in any wardrobe.
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Key Features
- Omega caliber 8521 movement
- Mother of Pearl dial with gem-set indexes
- Water resistance up to 150 meters
- Automatic winding and Co-Axial escapement for accurate timekeeping
- Scratch-resistant sapphire crystal
- Robust stainless steel case
- 50-hour power reserve
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Co-Axial 34 Stainless Steel / Diamond / MOP
- Reference
- 231.18.34.20.55.001
- Movement
- 8521
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- Stainless Steel 34mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings
![[WTS] Omega Seamaster Aqua Terra Ref 2518.50 36mm - $1500 SHIPPED](https://preview.redd.it/as9y3gh030ye1.jpeg?auto=webp&s=92352209b035fd1bfad3cd68fdfa2ded703bfb20)
Omega Seamaster Aqua Terra Ref 2518.50 36mm - $1500 SHIPPED
Up for sale is my Omega Seamaster Aqua Terra ref 2518.50 in good condition. This watch measures at 36mm and has a Calibre OMEGA 1538 quartz movement.
- Condition: Good condition with normal wear on case and bracelet
- Case size: 36mm
- Movement type: Quartz
- Bracelet length: up to 7.75"
WTS Mint Omega Seamaster 41.5mm Aqua Terra 150m White Linear Dial Master Co-Axial 231.10.42.21.02.003 Complete!
A 41.5mm Aqua Terra watch with a white linear dial and 150m water resistance, powered by the Calibre 8500 self-winding movement.
- Condition: Mint Condition
- Movement: Calibre 8500 Self-Winding Master Co-axial
- Water Resistance: 150m
- Case Size: 41.5mm
DEC 2024 Omega Seamaster Aqua Terra GMT Worldtimer 220.12.43.22.03.001
This Omega Seamaster Aqua Terra GMT Worldtimer is a steel chronometer watch with a factory warranty dated December 2024.
- Condition: Near mint
- Water Resistance: 150M
- Warranty Start Date: DEC 2024
![[WTS] Spectacular Omega Seamaster Aqua Terra Worldtimer, ref. 220.12.43.22.03.001 (PRICE REDUCED!!)](https://preview.redd.it/s5kgqekwcsxe1.jpg?width=640&crop=smart&auto=webp&s=ea14a75ce048216ab702fed01a0fe04c508f8009)
Spectacular Omega Seamaster Aqua Terra Worldtimer, ref. 220.12.43.22.03.001 (PRICE REDUCED!!)
This Omega Seamaster Aqua Terra Worldtimer features a stainless steel case with a blue dial and rubber strap. It is a 43mm watch that comes as 'watch only'. The original clasp is present but lacks the Omega logo.
- Condition: good working condition
- Case material: stainless steel
- Diameter: 43mm
- Strap: rubber
![[WTS] OMEGA Seamaster Aqua Terra - Box and Papers](https://preview.redd.it/lj3nlvgtcnxe1.jpg?width=640&crop=smart&auto=webp&s=5f1c3158d768a2252cd4814db19f59cea1292576)
OMEGA Seamaster Aqua Terra - Box and Papers
This Omega Seamaster Aqua Terra is a 41mm steel watch with a blue rubber strap, blue dial, and an OMG 8900 movement with 60 hour power reserve.
- Condition: Very good used condition
- Case size: 41mm diameter
- Movement: OMG 8900
- Power reserve: 60 hours
![[WTS] Omega Aqua Terra 231.10.42.10.20.02 With Cards](https://preview.redd.it/29apkb7ujmxe1.jpg?width=640&crop=smart&auto=webp&s=3442528d8fbb8b5e4bf0a1491fb96e109f3a09b7)
Omega Aqua Terra 231.10.42.10.20.02 With Cards
This Omega Aqua Terra is a high-quality watch that comes with warranty and pictogram cards, featuring a sleek design and advanced features.
- Condition: good condition with light signs of wear
- Warranty cards included: 2 (warranty card and pictogram card)
- Payment methods accepted: multiple payment methods including crypto with small fee
- Local pickup available: yes

Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )
Up for sale is a brand new Omega Aqua Terra 8800 38mm with Lacquer Black Dial, reference # 220.10.38.20.01.004.
- Condition: Brand new
- Case size: 38mm
- Movement type: Master Chronometer Movement
Omega Seamaster Aqua Terra Green 41mm
The Omega Seamaster Aqua Terra Green is a versatile watch suitable for daily wear, featuring a Master Chronometer certified calibre 8900 with 60 hours of power reserve and antimagnetic properties. It has an excellent bracelet and proportions.
- Condition: Near-mint, 94-95%
- Case size: 41mm x 47.9mm lug to lug
- Thickness: 13.2mm
- Power reserve: 60 hours

Omega Seamaster Aqua Terra Co-Axial White Blue Stainless Steel MINT 2503.33.00
The Omega Seamaster Aqua Terra Co-Axial is a sport-ready watch with dress-worthy charm, featuring a white dial with blue accents and a stainless steel case with brushed and polished finishes.
- Condition: Mint
- Movement: Co-Axial
- Case size: Not specified
- Water resistance: Not specified