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 Aqua Terra 41mm 220.10.41.21.03.004 - Blue Teak Dial - Price Reduced ‼️](https://preview.redd.it/8tx3qcdk2iyf1.jpg?width=640&crop=smart&auto=webp&s=2fb0dcc45fa72b97374a092c362decaf0233beb9) 
                    Omega Aqua Terra 41mm 220.10.41.21.03.004 - Blue Teak Dial - Price Reduced ‼️
                            
                                This is an Omega Aqua Terra 41mm watch with a blue teak dial that functions perfectly.
                                                       
                            
                    
                    
                    
                - Condition: pretty good, light wear on bracelet and lugs
- Case size: 41mm
- Wrist fit: up to 7.25 inches
![[WTS] Omega Seamaster Aqua Terra 41mm (220.12.41.21.02.002) – Full Set (Sept 2025)](https://external-preview.redd.it/sv1-rCOCKzrTK9wiVLQ3oZ_MyOK2kyRbTkLWMTbsOMs.jpg?auto=webp&s=20d27595bde42ba5a1f1eb6bca9663c3c7ca384a) 
                    Omega Seamaster Aqua Terra 41mm (220.12.41.21.02.002) – Full Set (Sept 2025)
                            
                                This Omega Seamaster Aqua Terra 41mm is a brand new, unused watch with a white dial and orange accent. It comes with the full set, including OEM rubber strap, inner/outer boxes, cards, and manual.
                                                       
                            
                    
                    
                    
                - Condition: Like new with minimal signs of wear
- Warranty: 5-year full warranty from Omega
- Set included: Full set including inner/outer boxes, three cards (Pictogram, Master Chronometer, Warranty), and manual
![[WTS] (2008) Full Set Omega Seamaster Aqua Terra 2504.30 Silver Dial Automatic First Generation 36mm $2,600](https://preview.redd.it/5xceqkgqyeyf1.jpg?width=640&crop=smart&auto=webp&s=663fa642105b0d5e04b2fc644f0cb22bd7dbe498) 
                    (2008) Full Set Omega Seamaster Aqua Terra 2504.30 Silver Dial Automatic First Generation 36mm $2,600
                            
                                A first generation 2008 Omega Seamaster Aqua Terra in excellent condition with a silver dial and automatic movement.
                                                       
                            
                    
                    
                    
                - Condition: Freshly polished, recently serviced
- Case size: 36mm
- Diameter: 36mm
![[WTS] Omega Seamaster Aqua Terra 2504.50 36mm Black Dial $2400](https://preview.redd.it/ajhrrb5zjeyf1.jpg?width=640&crop=smart&auto=webp&s=dac40f297d04438ea97eced2a3ae258fa1eecdc7) 
                    Omega Seamaster Aqua Terra 2504.50 36mm Black Dial $2400
                            
                                The Omega Seamaster Aqua Terra is a luxury watch featuring a black dial and 36mm case size.
                                                       
                            
                    
                    
                    
                - Condition: Excellent
- Movement: 2500c
- Case Size: 36mm
![[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)