Omega Constellation Constellation Quadra Quartz 19.3 Yellow Gold / MOP

Reference 1631.78.61

About this watch

The Omega Constellation Quadra Quartz 19.3 Yellow Gold / MOP is a masterpiece of luxury watchmaking, blending timeless design with modern functionality. Its striking appearance, featuring a yellow gold case and lustrous mother of pearl dial, creates an aura of luxury that's hard to ignore. The gem-set indexes add a touch of sparkle, while the sapphire glass ensures durability and scratch resistance. At its heart lies the Omega caliber 1376 quartz movement, known for its reliability and accuracy. This watch offers a simple yet effective display for hours and minutes, perfect for those who appreciate a straightforward approach to timekeeping. Its ability to blend elegance with practicality makes it a worthy addition for collectors and enthusiasts alike. With its rich history and stunning aesthetics, the Omega Constellation Quadra is a statement piece that promises to stand the test of time—both in style and functionality.
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Key Features

  • Omega caliber 1376 quartz movement
  • Yellow gold case with mother of pearl dial
  • Sapphire glass for durability and scratch resistance

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Quadra Quartz 19.3 Yellow Gold / MOP
Reference
1631.78.61
Movement
1376
Movement Features
  • Hours, Minutes
Case
Yellow Gold 19.3mm
Dial Color
White
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] IWC Mark XVIII LPP and Omega Constellation Pie Pan

IWC Mark XVIII LPP and Omega Constellation Pie Pan

IWC - Mark XVIII LPP · $2,900
A IWC Mark XVIII LPP with an aftermarket brown strap is being sold, along with an Omega Constellation Pie Pan.

  • Strap material: leather
  • Omega model: Constellation Pie Pan
Posted at
Jan 20, 2026, 5:57 PM
Active
[WTS] 1961 Omega Constellation “Jumbo” ref. 14778-61 SC w/ Cal. 551 – 37mm – Serviced Jan 2026 – $2300 shipped & insured

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

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
Active
[WTS] 2025 LNIB Omega Constellation Globemaster 39mm Blue 10/25 Ref# 130.30.39.21.03.001

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

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
Active
[WTS] Omega Constellation C Shape - 168.017 Circa 1969 only for 775$ Shipped 🚢

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
Active
[WTS] Omega Constellation 🌌 blue 1990s 35.5mm 🔥

Omega Constellation 🌌 blue 1990s 35.5mm 🔥

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
Active
[WTS] Timeless Gold Elegance – Omega Constellation 10k Gold-Filled ✨

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
Active
[WTS] Omega Constellation linen dial ref 168017 cal 564

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
Active