Omega Constellation Constellation Co-Axial 31 Yellow Gold / MOP

Reference 123.50.31.20.05.002

About this watch

The Omega Constellation Co-Axial 31 Yellow Gold / MOP is a stunning watch that embodies luxury, with its 31mm round case and exquisite mother-of-pearl dial. The self-winding movement features a Co-Axial escapement, known for enhancing precision, stability, and durability. The watch has a generous power reserve of 50 hours and is water-resistant up to 100 meters, making it suitable for swimming and shallow diving. The sapphire crystal glass is scratch-resistant, ensuring the watch maintains its pristine appearance even with daily wear. The open case back showcases the intricate workings of the movement, adding a luxurious finish. Comfortable to wear due to its well-designed bracelet, this watch adapts effortlessly to any setting, from formal events to casual days out.

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MSRP: $24,100

Market Price: $10,224

Key Features

31mm round yellow gold case
Exquisite mother-of-pearl dial with stick and dot indexes
Dauphine hands for a touch of sophistication
Sapphire crystal glass for scratch-resistance
Water-resistant up to 100 meters
50-hour power reserve self-winding movement
Co-Axial escapement for enhanced precision and durability

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 31 Yellow Gold / MOP

Reference

123.50.31.20.05.002

Movement

8521

Movement Features

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

Case

Yellow Gold 31mm

Dial Color

White

Crystal

Sapphire

Water Resistance

100

Current Listings

Made for Kim Il-Sung by Kim Jong-Il - Omega Constellation 168.029

Omega - 168.029 · $6,180

A vintage Omega Constellation 168.029 with a unique feature - it was designed and made by Omega for North Korea's leader Kim Il-Sung, featuring his signature on the dial. The watch is in very good condition overall, having been well-maintained for 60 years.

Condition: very good condition overall, minor signs of wear and aging
Production date: 1970s
Movement type: Omega 751 Automatic
Dimensions: [object Object]

Posted at

Jan 20, 2026, 11:10 AM

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1961 Omega Constellation “Jumbo” ref. 14778-61 SC w/ Cal. 551 – 37mm – Serviced Jan 2026 – $2300 shipped & insured

Omega - 14778-61 SC · $2,300

For sale is an uncommon Omega Constellation ref. 14778-61 SC, the desirable “jumbo” 37mm no-date Connie, in very strong overall condition.

Condition: very strong overall condition with a clean, original-looking dial and a freshly serviced Cal. 551
Case diameter: 37mm
Lug width: 19mm
Crystal condition: original plexiglas with a small crack near the edge at 12 o'clock

Posted at

Jan 19, 2026, 7:29 PM

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1970 Omega Constellation “C-Case” ref. 168.045 w/ Cal. 751 – Day-Date Chronometer – Fresh Jan 2026 service – WG fluted bezel – $950 shipped

Omega - 168.045 · $950

1970 Omega Constellation 'C-Case' ref. 168.045, a Day-Date Chronometer with Cal. 751, recently serviced in January 2026.

Case material: Steel
Movement: Cal. 751

Posted at

Jan 19, 2026, 8:39 AM

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2025 LNIB Omega Constellation Globemaster 39mm Blue 10/25 Ref# 130.30.39.21.03.001

Omega - 130.30.39.21.03.001 · $5,799

2025 LNIB Omega Constellation Globemaster 39mm Blue with domed Pie Pan blue dial and fluted bezel.

Condition: 9.5/10, minor cosmetic imperfections possibly
Diameter: 39mm
Water resistance: 150m
Power reserve: 60 hours

Posted at

Jan 18, 2026, 11:22 AM

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Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

Omega - 168.017 · $775

Up for sale is an Omega Constellation C Shape reference 168.017 from 1969, featuring a stainless steel case with a 35mm diameter and an off-white dial.

Condition: great, with a few hairline scratches
Case Size: 35mm diameter
Movement: Calibre 564, automatic

Posted at

Jan 18, 2026, 7:52 AM

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Omega Constellation 🌌 blue 1990s 35.5mm 🔥

Omega - Constellation Perpetual Date · $1,150

This Omega Constellation is a quartz perpetual date watch from the early 1990s. It features an 18k omega stamp and a blue sunburst dial that appears to shift colors depending on the angle of the light.

Movement type: quartz
Year of production: early 1990s
Case diameter: 35.5mm

Posted at

Jan 17, 2026, 7:09 PM

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1971 Omega Constellation ref. 168.059 w/ Cal. 1011 – Green fumé “spider” dial – $795 shipped

Omega - 168.059 · $795

Year: 1971
Caliber: Cal. 1011

Posted at

Jan 15, 2026, 11:05 AM

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Timeless Gold Elegance – Omega Constellation 10k Gold-Filled ✨

Omega - Constellation · $699

This Omega Constellation in 10k gold-filled is a classic watch with understated luxury and timeless style, perfect for everyday wear.

Condition: Pre-owned with new battery
Case Size: 34mm diameter
Material: 10k gold-filled
Strap: High-quality AM strap

Posted at

Jan 14, 2026, 1:49 AM

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Omega Constellation linen dial ref 168017 cal 564

Omega - 168017 · $4,000

This Omega Constellation features a gold linen dial and comes equipped with an automatic movement powered by caliber 564. It's ready to be worn with its new generic strap and buckle.

Condition: Pre-owned, requires servicing
Movement: caliber 564
Functions work: yes all functions are working

Posted at

Jan 12, 2026, 12:05 PM

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