Omega Constellation Constellation Co-Axial 27 Brushed Red Gold / Diamond / Diamond Moon

Reference 123.55.27.20.55.005

Omega Constellation Co-Axial 27 Brushed Red Gold / Diamond / Diamond Moon

About this watch

The Omega Constellation Co-Axial 27 embodies the essence of luxury watchmaking with its exquisite design, advanced movement, and durable construction. This stunning timepiece features a brushed red gold case radiating warmth and elegance, complemented by a gem-set bezel that adds a touch of sparkle. The mother-of-pearl dial provides an excellent contrast against the gold and diamonds, ensuring legibility while making a statement piece. At its heart lies the Omega caliber 8421, a self-winding movement with a Co-Axial escapement, enhancing precision and stability. With a power reserve of 50 hours and a frequency of 25,200 vibrations per hour, this movement is designed for longevity and reliability. The watch boasts a water resistance rating of 100 meters, making it suitable for everyday wear. Its round shape complements the overall aesthetic, making it perfect for both casual and formal occasions.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega caliber 8421 self-winding movement
Co-Axial escapement for precision and stability
Water resistance up to 100 meters
Mother-of-pearl dial with gem-set bezel
Brushed red gold case with 18 Ct red gold oscillating mass
Exclusive Geneva waves in arabesque finish on movement
High-quality strap for comfort

Specifications

Brand

Omega

Family

Constellation

Model

Constellation Co-Axial 27 Brushed Red Gold / Diamond / Diamond Moon

Reference

123.55.27.20.55.005

Movement

8421

Movement Features

Hours, Minutes, Seconds
Chronometer, Co-Axial Escapement

Case

Red Gold 27mm

Dial Color

White

Crystal

Sapphire

Water Resistance

100

Current Listings

Rare Omega Constellation 2000 Millennium 1504.50

Omega - 1504.50 · $999

This Omega Constellation 2000 Millennium edition is a unique timepiece commemorating the turn of the millennium, with only 2000 pieces produced. It features 'OMEGA 2000' text and lumed roman numeral markers instead of stick indexes.

Condition: Good condition, with normal signs of wear and scratching on the crystal
Production run: Limited to 2000 pieces
Service history: Unknown

Posted at

Apr 5, 2026, 8:40 PM

Active

View listing on r/WatchExchange

Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1100 SHIPPED

Omega - 2852-1 · $1,100

This Omega Constellation Pie Pan watch is stunning and a pinnacle in Omega's dress watch heritage. It features an original, untouched dial with patina'd perfectly and comes on a red leather strap.

Condition: Pre-owned, serviced a few years back
Lug width: 18mm
Strap material: red leather

Posted at

Apr 5, 2026, 3:52 PM

Active

View listing on r/WatchExchange

Omega Constellation Automatic Chronometer Watch $1800 SHIPPED

Omega - 168.0075 · $1,800

This Omega Constellation watch features a Cal 1111 movement, 35.5 mm diameter case, and comes with original Omega strap.

Condition: pre-owned working condition
Movement: Cal 1111
Diameter: 35.5mm

Posted at

Apr 4, 2026, 1:05 PM

Active

View listing on r/WatchExchange

Omega Constellation Pie Pan Ref. 168.005 | Great Condition (Serviced) | $2450

Omega - 168.005 · $2,450

The Omega Constellation Pie Pan 168.005 is one of the most iconic dress watches of the 1960s, featuring a stainless steel 34mm case with dog-leg lugs and a silver sunburst dial.

Condition: Great Condition (Serviced)
Case size: 34mm
Movement type: Automatic

Posted at

Mar 31, 2026, 11:24 PM

Active

View listing on r/WatchExchange

Rare Vintage Omega Constellation “Manhattan” Chronometer ST 368.1075 – Very Nice Condition

Omega - ST 368.1075 · $1,200

This rare vintage Omega Constellation “Manhattan” chronometer features a classic dress-watch design with distinctive 'claws' on the side of the case and an integrated bracelet. The champagne/gilt dial has oxidation, but the case remains in good shape with no deep scratches or dings.

Condition: Very nice vintage condition, showing light signs of honest wear consistent with age
Movement: Automatic self-winding chronometer-certified movement, typically the Omega Caliber 1110.11.40 (based on the ETA 2892-2)
Case diameter: 35mm
Water resistance: 30m (3 bar)

Posted at

Mar 31, 2026, 7:00 PM

Active

View listing on r/WatchExchange

Omega Constellation Pie Pan 1964 – Ref. 168.005 – Dog-Leg Lugs – $1999 + shipping OBO

Omega - 168.005 · $1,999

Up for sale is a **1964 Omega Constellation Pie Pan ref. 168.005**, featuring the classic **dog-leg lugs and cal. 561 movement**.

Condition: Excellent for its age
Movement: cal. 561
Dial condition: Excellent for its age
Serviced: Yes (in November 2025)

Posted at

Mar 31, 2026, 1:00 PM

Active

View listing on r/WatchExchange

Pair O’ Omega Constellation Manhattans - Stainless & Two Tone Wallet Friendly Day Dates!

Omega - Constellation Manhattan Day-Date · $950

The Omega Constellation Manhattan Day-Date is a fantastic choice for those after a small, thin, and complicated watch with integrated bracelets. It was designed by Carol Didisheim in 1982 and features a crisp white dial with luminescent hands and gold dot markers.

Condition: Pre-owned, small age-related wear throughout
Case Size: 33MM
Bracelet Length Stainless: up to 7.5 inches
Bracelet Length Two Tone: just over 7 inches

Posted at

Mar 30, 2026, 9:42 PM

Active

View listing on r/WatchExchange

Omega Constellation Pie Pan 35mm Vintage Automatic Dog Leg 2852 168.005 Two Tone Watch - $1250 SHIPPED

Omega - 2852-1 · $1,250

This Omega Constellation Pie Pan watch is a classic, elegant, and beautiful timepiece with an original untouched dial and two-tone variant. It features sharp angular lugs known as 'dog leg' and has been serviced in the past to keep accurate time.

Condition: pre-owned
Diameter: 35mm
Lug width: 18mm
Strap material: red leather

Posted at

Mar 30, 2026, 8:10 PM

Active

View listing on r/WatchExchange