Omega Aqua Terra Seamaster Aqua Terra 150M Master Chronometer 38 Stainless Steel / Sedna Gold / Grey / Bracelet
Reference 220.20.38.20.56.001
About this watch
The Omega Seamaster Aqua Terra 220.20.38.20.56.001 is a luxurious timepiece that embodies precision, elegance, and innovation. Crafted from stainless steel and Sedna gold, its striking design exudes luxury without being over the top. The grey dial with subtle texture and gem-set indexes shines beautifully under any light, while the open case back showcases the intricate Omega caliber 8800 movement within. This self-winding masterpiece is equipped with a Co-Axial escapement, reducing friction and enhancing accuracy, and boasts a Master Chronometer certification for superior resistance to magnetic fields up to 15,000 gauss. With a water resistance of 150 meters and durable materials, this watch is built for both aquatic adventures and daily wear. Its comfortable and adjustable bracelet complements the case beautifully, making it a versatile accessory suitable for various occasions. The Omega Seamaster Aqua Terra 220.20.38.20.56.001 is a worthy investment for those who appreciate style, functionality, and precision.
Key Features
- Omega caliber 8800 movement with Co-Axial escapement
- Master Chronometer certification up to 15,000 gauss
- Water-resistant up to 150 meters
- Sedna gold and stainless steel construction
- Comfortable and adjustable bracelet
- Grey dial with gem-set indexes and subtle texture
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Master Chronometer 38 Stainless Steel / Sedna Gold / Grey / Bracelet
- Reference
- 220.20.38.20.56.001
- Movement
- 8800
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- 38mm
- Dial Color
- Grey
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings

Pre-Owned Omega Seamaster Aqua Terra 220.10.41.21.03.001
This pre-owned Omega Seamaster Aqua Terra is in 79% condition with marks on the lugs, bezel, and case. It has a stainless steel bracelet that accommodates up to 7 and 1/4 inches wrist size.
- Condition: 79% condition due to marks on the lugs, bezel, and throughout the case
- Water Resistance: 150 meters
- Case Size: 41mm diameter
- Material: Stainless Steel
![[WTS] Omega Seamaster Aqua Terra (ref. 231.10.41.21.02.003) 41mm White Dial - Box and Papers - Mint](https://external-preview.redd.it/dc8uAUwGu73cwy8qzhL9HQHEOPwG-u1CUIU_hEGcViU.jpeg?auto=webp&s=aead64616eaf3c2c0c19cb025673b5c1bc07fc0a)
Omega Seamaster Aqua Terra (ref. 231.10.41.21.02.003) 41mm White Dial - Box and Papers - Mint
This Omega Seamaster Aqua Terra features a 41mm white dial, textured pattern, and comes with full set from 2016.
- Condition: Mint
- Size: 41mm diameter
- Bracelet type: full bracelet
![[WTS] Omega Seamaster Aqua Terra 2503.33 | Blue Indices $2,650](https://external-preview.redd.it/Z23CdO8aZF-HV3au4S_-y5Urc9qFx-tPMWIe49yDonE.jpeg?auto=webp&s=eb3b7243be141432cbe44aa81d710cb10aa67b37)
Omega Seamaster Aqua Terra 2503.33 | Blue Indices $2,650
This Omega Seamaster Aqua Terra features a white dial and blue indices, powered by the reliable 2500-series co-axial chronometer movement.
- Condition: Preowned - Good
- Movement: co-axial chronometer
- Diameter: 39mm
- Case material: unknown

Omega Aqua Terra 8800 - Turquoise - 38mm - 220.10.38.20.03.005 ( new / 2025 )
This Omega Aqua Terra 8800 features a 38mm stainless steel case, turquoise dial, and is equipped with the Omega 8800 calibre. It comes complete with all original boxes, papers, booklets, hang tag, and an Omega warranty card dated May 2025.
- Condition: Brand New
- Case size: 38mm
- Material: stainless steel
- Calibre: Omega 8800

Omega Aqua Terra 8800 - Green / Diver - 220.12.38.20.10.001 ( new / 2025 )
A brand new Omega Aqua Terra 8800 with a green dial, featuring a stainless steel case and master co-axial movement.
- Condition: Brand New / Complete Set
- Case size: 38mm
- Material: Stainless Steel
- Movement type: Master Co-Axial
![[WTS] Omega Seamaster Aqua Terra 41 Green Dial - Black Rubber Strap + Steel Bracelet - Full Set](https://external-preview.redd.it/6V6_KDUb3ecWke1sk5ukQnN8yojyQgKwCKhxR6CrKTk.jpg?auto=webp&s=121ac0fb2fd173fb152acbad0be3a18e71718b19)
Omega Seamaster Aqua Terra 41 Green Dial - Black Rubber Strap + Steel Bracelet - Full Set
This Omega Seamaster Aqua Terra 41 features a 41mm stainless steel case, dark green dial that changes to black in certain lighting conditions, and an automatic Co-Axial Master Chronometer cal 8900 movement. The watch is complete with a rubber strap, steel bracelet, and full set of accessories.
- Condition: Used, with minor scratches and signs of normal wear
- Movement: Automatic Co-Axial Master Chronometer cal 8900
- Bracelet Type: Black rubber strap and brushed/polished stainless steel bracelet (OEM)
- Bracelet Size: 6.5"
![[WTS] Omega Aqua Terra “Shades” - 220.10.38.20.13.003 - Box and Card](https://external-preview.redd.it/gKkcWKeK7nrNwcr-o7qWjcqcaIYXgSg6_G3vVaT4pyI.jpeg?auto=webp&s=ae57b682dc52cb82b7bc59f34871231be85b038b)
Omega Aqua Terra “Shades” - 220.10.38.20.13.003 - Box and Card
Up for grabs today is an Omega Aqua Terra 'Shades' Edition, a unique and stylish watch that features a distinctive design.
- Condition: Excellent Mint Condition
- Box And Card Included: yes, with 2023 box and warranty card

Pre-Owned Omega Seamaster Aqua Terra 220.10.41.21.03.001
This pre-owned Omega Seamaster Aqua Terra is a 41mm stainless steel watch with a blue dial and automatic movement. It has a water resistance of 150 meters and comes with various accessories.
- Condition: Pre-Owned, 79% condition with marks on the lugs, bezel, and case, 87% condition for the bracelet
- Case size: 41mm diameter
- Material: Stainless Steel
- Dial color: Blue
OMEGA AQUA TERRA-CURRENT GEN. 220.12.41.21.06.001 PRICED FOR QUICK SALE.
This is the current gen Omega Aqua Terra 41mm with a Silver Dial and Blue accents, part of a large collection that has not been worn much.
- Strap: Blue OEM Omega strap
- Buckle: Authentic Omega buckle