Omega Constellation Constellation Quadra Quartz 19.3 Yellow Gold / MOP

Reference 1631.7656.

About this watch

The Omega Constellation Quadra Quartz 1631.7656 is a stunning piece that beautifully merges functionality with style, featuring luxurious yellow gold and mother of pearl design, accurate and reliable quartz movement, and sapphire glass for durability. This watch appeals to those seeking elegance and sophistication, perfect for formal events or everyday wear. With its modern design and rich heritage, it stands as a testament to Omega's craftsmanship and innovation.
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Key Features

  • Luxurious yellow gold casing
  • Mother of pearl (MOP) dial with iridescent surface
  • Omega caliber 1376 quartz movement with 30,000-second power reserve
  • Sapphire glass for exceptional hardness and scratch resistance
  • Water resistance of 30 meters
  • Adjustable bracelet for a snug fit
  • Durable construction and lightweight design

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Quadra Quartz 19.3 Yellow Gold / MOP
Reference
1631.7656.
Movement
1376
Movement Features
  • Hours, Minutes
Case
Yellow Gold 19.3mm
Dial Color
White
Crystal
Sapphire
Water Resistance
30

Current Listings

[WTS] Omega Constellation. PiePan. Gorgeous Dial.

Omega Constellation. PiePan. Gorgeous Dial.

Omega · $1,375
This Omega Constellation features a Pie Pan dial and is an automatic watch. It comes with an AM strap.

  • Condition: nice condition
  • Case size: 40mm diameter
  • Strap material: AM strap
Posted at
May 4, 2025, 3:12 PM
Active
[WTS] Omega Constellation Co-Axial Chronometer, or, "We have PRX at home"

Omega Constellation Co-Axial Chronometer, or, "We have PRX at home"

The Omega Constellation Co-Axial Chronometer features a 35mm case size, Caliber 2500 chronometer movement, and a reverse clous de paris dial.

  • Condition: Good (with some hairline scratches)
  • Case dimensions: 35mm diameter, 38.4mm lug-to-lug, 10.8mm thickness
  • Bracelet size: adjustable to fit a 6.75 inch wrist
  • Movement type: Caliber 2500 chronometer, Co-Axial movement
Posted at
May 4, 2025, 11:47 AM
Active
[WTS] Rare 1959 Omega Constellation w/ Railtrack Dial, Steel Case & Special Chronometer Movement

Rare 1959 Omega Constellation w/ Railtrack Dial, Steel Case & Special Chronometer Movement

Omega - 14381 · $800
A rare 1959 Omega Constellation with a railtrack dial and special chronometer movement. The watch has an original non-refinished silver dial with patina and an original stainless steel case with wear.

  • Condition: Pre-owned, needs service
  • Case size: 34.5mm
  • Diameter: 34.5mm
  • Movement accuracy: Special chronometer certified with high accuracy
Posted at
Apr 30, 2025, 11:28 AM
Active
1970s Omega Constellation Ref: 391.0801 Quartz with Box

1970s Omega Constellation Ref: 391.0801 Quartz with Box

Omega - 391.0801 · $1,150.001
A 1970s Omega Constellation Ref: 391.0801 Quartz watch in excellent condition, featuring a 32mm stainless steel case and original horizontal grained silver dial.

  • Condition: Excellent with very light wear from use
  • Case Size: 32mm
  • Bracelet Links: 23
  • Movement Type: Quartz
Posted at
Apr 29, 2025, 5:49 PM
Active
2000s Omega Constellation Ref: 1502.30 Automatic

2000s Omega Constellation Ref: 1502.30 Automatic

Omega - 1502.30 · $850.009
This is a 2000s Omega Constellation Ref: 1502.30 Automatic watch, featuring a 34mm Stainless Steel case and an excellent original silver/white dial.

  • Condition: Very nice with some wear from use
  • Case Size: 34mm diameter
  • Bracelet Links: 21 links (+1 extra)
  • Bezel Type: fixed Stainless Steel bezel with recessed Roman Numerals
Posted at
Apr 29, 2025, 5:48 PM
Active
[WTS] VintageOmega Constellation Diamond SS/18kt YG

VintageOmega Constellation Diamond SS/18kt YG

Omega - Constellation · $2,500
This vintage Constellation features a diamond bezel and dial, with a quartz movement running properly. The watch has a 33.5mm case and fits a 7.5 inch wrist.

  • Condition: Good, with some minor flaws (dust under crystal/dial, missing end pieces on links)
  • Case Size: 33.5mm
  • Wrist Fit: 7.5 inch wrist
Posted at
Apr 28, 2025, 11:48 AM
Active
[WTS] RARE Omega Constellation 168.005 Champagne Linen Dial $2400 AUD

RARE Omega Constellation 168.005 Champagne Linen Dial $2400 AUD

Omega - 168.005 · $2,400
  • Dial color: Champagne Linen
Posted at
Apr 28, 2025, 1:58 AM
Active
[WTS] Omega Constellations De Luxe 18kt Solid Gold Case, Bracelet, and Dial w/ Original Box and Buckle ref. 168.004/14

Omega Constellations De Luxe 18kt Solid Gold Case, Bracelet, and Dial w/ Original Box and Buckle ref. 168.004/14

Omega - 168.004/14 · $7,150
A solid gold Omega Constellations De Luxe with a 18kt gold case, dial, and vintage aftermarket bracelet, featuring an automatic chronometer movement and original box and buckle.

  • Condition: Excellent
  • Case weight: ~58g
  • Bracelet weight: 34g
  • Bracelet repair: mesh repaired in two places
Posted at
Apr 27, 2025, 4:46 PM
Active
Omega Constellation Globemaster Master Chronometer

Omega Constellation Globemaster Master Chronometer

The Omega Constellation Globemaster 39mm is a versatile dress watch with a dark blue pie pan dial and fluted tungsten carbide bezel. It has goldilocks proportions and a beautiful 3-row bracelet.

  • Condition: 98% pristine, minor hairline marks on lugs and possibly a faint desk diving mark on case or bracelet
  • Case dimensions: 39mm x 46.7mm lug to lug x 12.6mm thick
  • Bracelet type: 3-row with slightly curved central links
Posted at
Mar 31, 2025, 10:32 AM
Active