Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Black / Bracelet

Reference 231.20.39.21.51.003

Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Black / Bracelet

About this watch

The Omega Aqua Terra 231.20.39.21.51.003 is a masterpiece of engineering and design, combining elegance with functionality. Crafted from a harmonious blend of stainless steel and red gold, this watch exudes luxury and durability. The black dial, complemented by gem-set indexes, adds a touch of sophistication that's hard to ignore. The round case, with a diameter of 38.5mm, strikes an ideal balance between boldness and wearability. At the core lies the Omega caliber 8500 movement, renowned for its precision and reliability, featuring 39 jewels and a frequency of 25,200 vibrations per hour. This automatic movement boasts an impressive 60-hour power reserve, ensuring it keeps perfect time even when taken off for days. With a water resistance of up to 150 meters, this watch is suitable for swimming and snorkeling. As a 'Master Co-Axial Chronometer', it has passed stringent tests ensuring its accuracy. The date function included ensures you always know what day it is, while the comfortable fit makes it perfect for all-day wear. Whether in formal or casual settings, the Aqua Terra's design speaks volumes and adapts to any outfit.

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MSRP: $9,550

Market Price: $3,884

Key Features

Omega caliber 8500 movement
60-hour power reserve
150m water resistance
Date function
Master Co-Axial Chronometer certification
Stainless steel and red gold construction
Black dial with gem-set indexes

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Black / Bracelet

Reference

231.20.39.21.51.003

Movement

8500

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

38.5mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Aqua Terra White 41mm 2025 Full Set - $5100

Omega - Aqua Terra · $5,100

This Omega Aqua Terra is a lovely watch with a white dial. It features a Caliber 8900 movement with a jumping hour hand.

Condition: Excellent, with minor scratches on bezel and bracelet
Case dimensions: 41mm x 13.2mm, 47.9mm lug to lug
Movement: Caliber 8900 (Jumping hour hand)
Inclusions: box, international warranty card, master chronometer card, pictograms card, OEM rubber strap, additional links

Posted at

Jan 30, 2026, 1:45 AM

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Omega Seamaster Aqua Terra 38.5mm – “Grey Skyfall Teak Dial | Ref. 231.10.39.21.06.001 | 2020 | Full Set | Excellent

Omega - 231.10.39.21.06.001 · $4,150

This Omega Seamaster Aqua Terra features a highly sought-after grey teak dial and a smooth in-house Calibre 8500 Co-Axial movement with 60-hour power reserve.

Condition: Excellent
Case size: 38.5mm diameter
Calibre: in-house Calibre 8500 Co-Axial
Power reserve: 60 hours

Posted at

Jan 30, 2026, 12:28 AM

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Omega Aqua Terra 231.10.39 Cal 8500 39mm Box and Papers - $2,790 - Reserved post for u/taybrian10

Omega - 231.10.39 Cal 8500 · $2,790

This Omega Aqua Terra 231.10.39 Cal 8500 has a 39mm steel case, Calibre OMEGA 8500 movement, and original Omega steel bracelet.

Condition: Great condition, minor marks on the case and caseback
Case diameter: 39mm
Movement: Calibre OMEGA 8500
Bracelet material: Steel

Posted at

Jan 29, 2026, 7:46 PM

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2022 Omega Aqua Terra 150M 41mm Blue Teak Dial 9/22 Ref# 220.10.41.21.03.002 $3899.00

Omega - 220.10.41.21.03.002 · $3,899

Aqua Terra 150M watch featuring a beautiful domed blue teak dial, automatic self-winding movement, and 41mm case size. It has a brushed and polished stainless steel bracelet with a butterfly clasp and offers 150M water resistance.

Condition: Great pre-owned shape with some hairlines on the clasp, bracelet, and bezel.
Diameter: 41mm
Water Resistance: 150M
Movement: Automatic self-winding 8900 METAS Caliber

Posted at

Jan 29, 2026, 5:01 PM

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Omega Aqua Terra Small Seconds 150M - Box & Papers

Omega - 220.12.41.21.02.005 · $4,900

This Omega Aqua Terra Small Seconds features a 41mm case, 150m water resistance, and is powered by the COSC/METAS movement.

Condition: In great condition, with light markings from limited wear on bezel.
Water Resistance: 150m
Case Size: 41mm diameter
Movement: 8916 COSC/METAS

Posted at

Jan 29, 2026, 9:42 AM

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Omega Aqua Terra Sandstone 220.10.38 38mm Cheapest - $3,650

Omega - 220.10.38 · $3,650

Up for sale is my Omega Seamaster Aqua Terra ref. 220.10.38 with a Calibre OMEGA 8800 movement.

Condition: Great condition, minimal marks on case and crystal
Size: 38mm diameter
Bracelet type: original Omega steel bracelet

Posted at

Jan 28, 2026, 7:59 PM

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Brand New Omega Seamaster Aqua Terra 150M Green Dial - Ref. 220.10.41.21.10.001

Omega - 220.10.41.21.10.001 · $4,500

This Omega Seamaster Aqua Terra 150M features a green dial, comes with a full set of accessories, and is guaranteed to be 100% authentic.

Condition: Brand new, unworn
Set contents: Omega box, outer box, booklet, warranty card dated 2021, chronometer card, pictogram card, hangtag
Year: 2021

Posted at

Jan 28, 2026, 2:52 PM

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Omega Seamaster Aqua Terra “Skyfall” Black Teak 38.5mm|Ref. 231.10.39.21.01.001 | Discontinued | Full Set | Mint Condition| 2023 | Active Factory Warranty

Omega - 231.10.39.21.01.001 · $4,400

A discontinued Omega Seamaster Aqua Terra “Skyfall” Black Teak in a refined and timeless design, featuring a black teak-concept dial and powered by Omega’s Co-Axial Calibre 8500.

Condition: Mint condition
Case size: 38.5mm diameter
Bracelet length: up to 18cm
Movement: in-house Co-Axial Calibre 8500

Posted at

Jan 28, 2026, 9:30 AM

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Omega Seamaster Aqua Terra 220.10.34.20.10.003 34mm Shell Pink Box Papers

Omega - 220.10.34.20.10.003 · $5,725

The Omega Seamaster Aqua Terra Shades features a 34mm stainless steel case with a shell pink dial and 18K white gold indexes. It is powered by the Calibre 8800, Co-Axial Master Chronometer with a 55-hour power reserve and has 150m water resistance.

Condition: Excellent, near mint condition with faint handling marks on the case and bracelet
Case size: 34mm diameter
Water resistance: 150m depth rating
Bracelet type: fully linked stainless steel bracelet

Posted at

Jan 27, 2026, 4:57 PM

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