Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / MOP / Bracelet
Reference 231.20.39.21.55.001
About this watch
                        The Omega Seamaster Aqua Terra 231.20.39.21.55.001 is a masterpiece of luxury watchmaking that combines elegance and robust functionality. Its Mother of Pearl dial changes hues with different lighting, adding an element of depth and intrigue. The combination of red gold and stainless steel gives it a luxurious feel, making it a statement piece for any outfit. At the heart of this magnificent watch lies the Omega caliber 8500, introduced in 2007, which has earned accolades for its reliability and precision. With a frequency of 25,200 vibrations per hour and a power reserve of up to 60 hours, it ensures your timepiece keeps ticking even after a weekend away from your wrist. The watch features a sapphire crystal resistant to scratches and impacts, ensuring that your watch remains pristine even after years of wear. Measuring 38.50 mm in diameter, this Omega watch fits comfortably on the wrist, striking a balance between being bold and understated.
                    
                Key Features
- Omega caliber 8500 movement
- Mother of Pearl dial with changing hues
- Sapphire crystal for scratch resistance
- Water resistance of 150 meters
- Red gold and stainless steel combination
- Chronometer certified
- Power reserve of up to 60 hours
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / MOP / Bracelet
- Reference
- 231.20.39.21.55.001
- Movement
- 8500
- Movement Features
- 
                                - Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
 
- Case
- 38.5mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings
![[WTS] Omega Turquoise Aqua Terra 38mm Unworn 12/24 Warranty](https://preview.redd.it/t8rss7kpzayf1.jpg?width=640&crop=smart&auto=webp&s=02b2eb298f72fe2c89ab72bd8fb3173a1d38119d) 
                    Omega Turquoise Aqua Terra 38mm Unworn 12/24 Warranty
                            
                                This Omega Seamaster Aqua Terra features a stunning turquoise gradient dial and is powered by the excellent Master Chronometer movement, making it a fantastic everyday watch.
                                                       
                            
                    
                    
                    
                - Condition: Excellent, unworn
- Movement Type: Master Chronometer Calibre 8800
- Power Reserve: 55 hours
- Water Resistance: 150m (500ft)
![[WTS] Omega Seamaster Aqua Terra Co-Axial 42mm 231.10.42.21.06.001 Gray](https://preview.redd.it/2mudrr6g0byf1.jpg?width=640&crop=smart&auto=webp&s=7e6b50b253ce50410e7a001dd78a91e5922f6977) 
                    Omega Seamaster Aqua Terra Co-Axial 42mm 231.10.42.21.06.001 Gray
                            
                                This Omega Seamaster Aqua Terra Co-Axial is a 42mm watch available for sale.
                                                       
                            
                    
                    
                    
                - Condition: Fresh, serviced
- Bracelet length: 7.25 inches
![[WTS] Omega Aqua Terra 2503.50.00 Automatic Black 39.2mm (Fresh Complete Service & New Crystal!)](https://preview.redd.it/vs4wlwhgm4yf1.jpg?width=640&crop=smart&auto=webp&s=017cd5d7c7c9ae50f7f6dbbdf62c5715767324f7) 
                    ![[WTS] OMEGA Seamaster Aqua Terra 38mm Shades "Saffron" Orange 220.10.38.20.12.001 2023](https://preview.redd.it/76ttbmrzb4yf1.jpg?width=640&crop=smart&auto=webp&s=99bae5cc794211ab302f51723396ba6b9d4af1cf) 
                    ![[WTS] Omega Seamaster Aqua Terra 150m 38mm Green Teak Dial 220.10.38.20.10.003](https://preview.redd.it/a5f3cz4w83yf1.jpg?width=640&crop=smart&auto=webp&s=9dca86ce692eee3b1a5d67dc345c15afdb2cbf78) 
                    ![[WTS] Omega Seamaster Aqua Terra 41mm Black Dial 220.10.41.21.01.002 Full Set](https://preview.redd.it/y6n3ngwe4yxf1.jpg?width=640&crop=smart&auto=webp&s=d1f237e6c221da99955418bf7592b10b00825576) 
                    ![[WTS] Omega Seamaster Aqua Terra 41mm (220.12.41.21.02.002) – 2025 Full Set – Like New / Excellent Condition](https://preview.redd.it/7lcpg2nfoxxf1.jpg?width=640&crop=smart&auto=webp&s=dde225b4010f0490eb450ecb2ed2d454644d723b) 
                    ![[WTS] Omega Aqua Terra 220.10.41 41mm Shades Turquoise 2025 CLEAN - $5,700](https://preview.redd.it/4vb13vvjfrxf1.jpg?width=640&crop=smart&auto=webp&s=a9879680dfd293d43499cfbf9896980f13af5d86) 
                     
                            ![[WTS] Omega Seamaster Aqua Terra Blue - 36mm - 2504.80 - Price Reduced!](https://preview.redd.it/ti1lqpcohoxf1.jpg?width=640&crop=smart&auto=webp&s=d429728963c00c68e75bf55e6f56337b55e4638b)