Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Diamond / MOP

Reference 231.18.39.21.55.001

Omega Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Diamond / MOP

About this watch

The Omega Seamaster Aqua Terra 231.18.39.21.55.001 is a masterpiece of luxury watchmaking, featuring a stunning Mother of Pearl dial and exceptional movement with a 60-hour power reserve. Its durable stainless steel construction and water resistance up to 150 meters make it perfect for everyday wear. This versatile timepiece combines elegance and functionality, making it a solid contender in the world of luxury watches.

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MSRP: $16,000

Market Price: $5,140

Key Features

Omega caliber 8500 automatic movement
60-hour power reserve
Water resistance up to 150 meters
Mother of Pearl dial with gem-set indexes
Durable stainless steel construction
Date function and hours, minutes, seconds display

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Diamond / MOP

Reference

231.18.39.21.55.001

Movement

8500

Movement Features

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

Case

Stainless Steel 38.5mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra 150M “Spectre” Blue Dial – 41.5mm|Ref: 231.10.42.21.03.003| Full Set | Mint Condition

Omega - 231.10.42.21.03.003 · $3,990

This highly sought-after Aqua Terra 'Spectre' configuration features a blue teak dial and in-house Calibre 8500, delivering reliable Co-Axial performance and strong wrist presence.

Condition: Excellent condition throughout
Case size: 41.5mm
Depth rating: 150m

Posted at

Jan 10, 2026, 6:02 PM

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Omega Seamaster Aqua Terra 150m | Quartz Grey Teak, 38.5mm | 231.10.39.60

Omega - 231.10.39.60.06.001 · $1,800

A 38.5mm Omega Seamaster Aqua Terra 150m quartz watch with a grey teak dial, available for sale.

Condition: 8.9/10, minimal marks/hairlines on the case back and bracelet sides
Case material: steel
Bracelet type: original Omega steel
Water resistance: 150m

Posted at

Jan 10, 2026, 4:07 PM

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Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 · $2,799

This Omega Seamaster Aqua Terra features a 38.5mm case, Calibre 8500 movement, and a 7.25 inch long bracelet.

Movement: Calibre 8500 Co-Axial
Case Size: 38.5mm diameter
Bracelet Length: 7.25 inches

Posted at

Jan 10, 2026, 12:28 PM

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Omega Seamaster Aqua Terra 150m | 41.5mm | White | 231.10.42.21.02.006

Omega - 231.10.42.21.02.006 · $3,799

This Omega Seamaster Aqua Terra is a 41.5mm watch from the 2023 year with a 7 inch bracelet.

Size: 41.5mm
Water Resistance: 150m

Posted at

Jan 10, 2026, 12:25 PM

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Omega Seamaster Aqua Terra 150m | Quartz | 231.10.39.60.06.001

Omega - 231.10.39.60.06.001 · $2,299

The Omega Seamaster Aqua Terra 150m is a quartz watch with a 38.5mm diameter and a 7.25" bracelet.

Case size: 38.5mm
Bracelet length: 7.25 inches

Posted at

Jan 10, 2026, 12:24 PM

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2022 Omega Seamaster Aqua Terra 150M 41mm Silver Dial 220.12.41.21.02.002 Full Set Excellent

Omega - 220.12.41.21.02.002 · $5,695

The Omega Seamaster Aqua Terra 150M is a versatile watch that blends everyday style with refined nautical design, featuring a stainless steel case and a silver 'teak concept' dial.

Condition: Excellent
Case size: 41mm diameter
Dial color: silver

Posted at

Jan 8, 2026, 9:34 AM

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Omega Seamaster Aqua Terra SkyFall Blue Teak Dial 231.10.42.21.03.003

Omega - 231.10.42.21.03.003 · $4,100

This Omega Seamaster Aqua Terra has a blue teak-patterned dial that changes shades depending on the light. It features the Master Co-Axial movement for improved precision and anti-magnetic performance. The watch was featured in Spectre and No Time To Die.

Condition: Scratches, scuffs/dings on the case, bezel, and bracelet; sapphire crystal clean
Model: Seamaster Aqua Terra
Movement: Master Co-Axial
Bezel material: Stainless steel

Posted at

Jan 7, 2026, 11:16 PM

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2025 Omega Seamaster Aqua Terra 41mm Steel Turquoise Dial 220.10.41.21.03.006 Full Set

Omega - 220.10.41.21.03.006 · $5,575

This Omega Seamaster Aqua Terra features a 41mm stainless steel case, turquoise dial with black gradient, and is powered by an automatic mechanical movement.

Condition: Very nice preowned condition with some very light scratches on the case and bracelet
Case Material: Stainless Steel
Case Dimensions: 41mm diameter
Bezel: Stainless Steel Smooth Bezel

Posted at

Jan 7, 2026, 8:15 PM

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Omega Seamaster Aqua Terra 150m Master Co-Axial Golf Edition (2020) Complete Kit With Extra Straps

Omega - Seamaster Aqua Terra 150m Master Co-Axial Golf Edition · $4,500

This Omega Seamaster Aqua Terra 150m Master Co-Axial Golf Edition is a 2020 model featuring a 41mm case size. It has been worn less than 20 times and comes with multiple straps.

Condition: Worn less than 20 times
Size: 41mm diameter
Background: Bought in 2020 from WatchMaxx

Posted at

Jan 6, 2026, 8:23 PM

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