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

Reference 231.23.39.21.55.001

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

About this watch

When it comes to luxury watches, few brands resonate with enthusiasts quite like Omega. Known for their precision and craftsmanship, Omega has carved out a niche that combines elegance with functionality. The Seamaster Aqua Terra line is a testament to Omega's commitment to quality. With its sporty yet sophisticated look, this watch can seamlessly transition from a day at the office to a night out. Founded in 1848, Omega has a rich history that includes being the official timekeeper of the Olympic Games and the first watch on the moon. This watch is crafted from a beautiful combination of Red Gold and Stainless Steel, giving it a luxurious yet robust feel. The Mother of Pearl dial adds a touch of elegance, catching the light in mesmerizing ways. With a round case diameter of 38.5 mm, it’s a perfect size for both men and women, striking that coveted balance between boldness and subtlety. The Aqua Terra family is often associated with versatility, boasting water resistance up to 150 meters. This watch is like that friend who can pull off any outfit! Let’s talk about the aesthetics of this beautiful timepiece. After all, a watch isn’t just about functionality—it’s also a fashion statement. The Mother of Pearl dial is truly the star of the show, with its shimmering surface changing color depending on the light. With a certified chronometer movement, this watch has passed rigorous tests for accuracy and precision. It’s like a badge of honor that ensures your watch will keep perfect time.

Buy Now on Jomashop

This is an affiliate link

Key Features

Automatic Omega caliber 8500 movement
Red Gold and Stainless Steel construction
Water resistance up to 150 meters
Mother of Pearl dial with shimmering surface
Certified chronometer movement
60-hour power reserve
Scratch-resistant sapphire crystal

Specifications

Brand

Omega

Family

Aqua Terra

Model

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

Reference

231.23.39.21.55.001

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

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,250🔥

OMEGA - 220.10.43.22.03.002 · $10,250

The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist, featuring a 43mm stainless steel case and a dial capturing the essence of a perfect day at sea with laser-ablated texture and depth.

Condition: VERY GOOD - some light scratches on case and bracelet
Case size: 43mm diameter
Bracelet length: ~7 inch
Contents: ULTIMATE SET - includes box, papers, serial hang tag, spare links, shipping coffin, and digital copy of original purchase receipt

Posted at

Jan 16, 2026, 7:18 PM

Active

View listing on r/WatchExchange

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,500🔥

OMEGA - 220.10.38.20.13.003 · $6,500

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a Terracotta dial, symmetrical case design, and a polished and brushed bracelet with rounded links.

Condition: UNWORN
Case size: 38mm
Material: stainless steel
Bracelet type: polished and brushed

Posted at

Jan 16, 2026, 6:38 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra 36mm - Blue Dial - Quartz - 2518.80 - Clean!

Omega - 2518.80 · $1,695

A beautiful Omega Seamaster Aqua Terra Blue 36mm watch in good condition, with a clean case and bracelet.

Condition: Good overall condition, minimal wear
Size: 36mm diameter
Wrist size compatibility: up to 6.75 inches
Case and bezel condition: great shape

Posted at

Jan 16, 2026, 5:56 PM

Active

View listing on r/WatchExchange

Omega Aqua Terra 41MM Turquoise (ceramic bezel) 220.32.41.21.03.001

Omega - 220.32.41.21.03.001 · $6,800

For sale is my Omega Aqua Terra 41MM Turquoise (ceramic bezel) 220.32.41.21.03.001, bought brand new in September of 2025 from a well-known West Coast USA Omega AD.

Condition: 99/100, Mint
Warranty: stamped warranty card and METAS cert
Case Material: c ceramic bezel
Band Material: black rubber with turquoise accent stitching

Posted at

Jan 16, 2026, 5:41 PM

Active

View listing on r/WatchExchange

2023 Omega Aqua Terra Shades Saffron 220.10.38.20.12.001, Complete Set $4400 Shipped!

Omega - 220.10.38.20.12.001 · $4,400

A 2023 Omega Seamaster Aqua Terra Shades Collection in the Saffron color with a symmetrical case and crown.

Condition: Lightly worn, minor scuffs on clasp
Case Diameter: 38mm
Movement: Co-Axial Master Chronometer calibre 8800

Posted at

Jan 16, 2026, 10:29 AM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 41mm Blue 220.12.41.21.03.001 B&P $4500

Omega - 220.12.41.21.03.001 · $4,500

Case size: 41mm diameter

Posted at

Jan 16, 2026, 12:11 AM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 38.5MM “Blue Teak” 231.10.39.21.03.002 | 2020 Box and Papers

Omega - 231.10.39.21.03.002 · $3,999

2020 Omega Seamaster Aqua Terra 38.5MM 'Blue Teak' in excellent condition, with slight wear.

Condition: Excellent Pre-Owned Condition
Service history: Unknown; +12 s/d 340+ AMP
Length of links: 15.5 Links

Posted at

Jan 15, 2026, 7:20 PM

Active

View listing on r/WatchExchange

OMEGA SEAMASTER AQUA TERRA 150M – 38mm BLUE DIAL Ref. 220.10.38.20.03.001 | Full Set | Excellent Condition | 2022

OMEGA - 220.10.38.20.03.001 · $4,750

The OMEGA SEAMASTER AQUA TERRA 150M features a blue horizontal 'teak' dial, inspired by luxury yachts, with serious technical credentials.

Condition: Excellent overall condition
Case size: 38mm stainless steel
Dial type: blue teak-pattern dial with applied indices
Crystal type: sapphire (front & display caseback)

Posted at

Jan 15, 2026, 6:30 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra Blue Dial - 36mm - 2504.80 - Clean!

Omega - 2504.80 · $2,650

This discontinued mid-size Aqua Terra model features a highly sought-after 36.2mm case with a navy blue sunburst dial, powered by Omega’s Co-Axial automatic movement.

Condition: Excellent
Case size: 36.2mm
Diameter: 36.2mm
Movement: Co-Axial automatic

Posted at

Jan 15, 2026, 6:25 PM

Active

View listing on r/WatchExchange