Omega Seamaster Seamaster Master Co-Axial 39.5 Edizione Venezia Sedna Gold / Silver / Alligator

Reference 511.53.40.20.02.001

About this watch

The Omega Seamaster Master Co-Axial 39.5 Edizione Venezia Sedna Gold is an emblem of elegance and precision, blending artistry, technology, and history. With its impeccable design and robust features, this watch invites admiration and curiosity. The Sedna Gold casing glimmers in the light, catching the eye effortlessly, while the sapphire crystal glass offers clarity and exceptional scratch resistance. At the core of the Omega Seamaster Master Co-Axial is the impressive Omega Caliber 8801 movement, showcasing Omega's commitment to precision and innovation. With a remarkable power reserve of 55 hours and a water resistance rating of 60 meters, this watch promises to be a reliable companion for both formal events and casual outings.
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Key Features

  • Sedna Gold casing
  • Sapphire crystal glass
  • Omega Caliber 8801 movement
  • Master Chronometer certification
  • Date function
  • Water resistance rating of 60 meters
  • 55-hour power reserve

Specifications

Brand
Omega
Family
Seamaster
Model
Seamaster Master Co-Axial 39.5 Edizione Venezia Sedna Gold / Silver / Alligator
Reference
511.53.40.20.02.001
Movement
8801
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Sedna Gold 39.5mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
60

Current Listings

[WTS] 2026 Omega Seamaster Diver 300M Green 30.42.20.10.001

2026 Omega Seamaster Diver 300M Green 30.42.20.10.001

Omega - 30.42.20.10.001 · $5,200
2026 Omega Seamaster Diver 300M Green, in excellent condition and keeping perfect time. Comes with a bracelet and an Omega rubber strap.

  • Condition: Excellent
  • Warranty Date: 2/14/26
  • Strap Change Marks: minor marks under the lugs
  • Bracelet Wear: little wear
Posted at
Apr 19, 2026, 9:10 AM
Active
[WTS] Omega Seamaster PAF, Rare Grey Dial 166.0209 (Serviced) only for 825$ Shipped🚢

Omega Seamaster PAF, Rare Grey Dial 166.0209 (Serviced) only for 825$ Shipped🚢

Omega - 166.0209 · $825
Up for sale is an Omega Seamaster PAF reference 166.0209 from 1973 featuring a stainless steel case with a 35mm diameter.

  • Condition: Good, with a few hairline scratches on the case and polished caseback
  • Case size: 35mm
  • Movement: Omega 1022 automatic
  • Crystal: Original Omega signed crystal
Posted at
Apr 19, 2026, 8:52 AM
Active
[WTS][US] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

[US] Omega Seamaster SMP300 - Blue Dial - Sedna Gold - 42mm - 210.20.42.20.03.002 - Full Set

Omega Seamaster SMP300 in blue dial and Sedna gold, 42mm diameter, functions perfectly mechanically.

  • Condition: Fantastic condition with minor hairlines on clasp, case, and bracelet
  • Case Diameter: 42mm
  • Clasp Condition: minor hairlines
  • Strap Status: fully linked
Posted at
Apr 19, 2026, 6:40 AM
Active
[wts] Omega Seamaster Planet Ocean 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

Omega Seamaster Planet Ocean 8500 Orange 45.5mm 232.32.46.21.01.003 on Omega mesh bracelet

This Omega Seamaster Planet Ocean Orange 8500 features a gray bezel that was swapped for an OEM orange one, and comes with a new style mesh/milanese bracelet.

  • Condition: Near mint
  • Bracelet type: OEM mesh/milanese
  • Bezel color: orange
  • Original strap color: black
Posted at
Apr 18, 2026, 10:58 PM
Active
[wts] Omega Seamaster Planet Ocean Chronograph 9300 Orange 45.5mm 232.32.46.51.01.001

Omega Seamaster Planet Ocean Chronograph 9300 Orange 45.5mm 232.32.46.51.01.001

This Omega Seamaster Planet Ocean Chronograph features a 45.5mm diameter case, an orange strap that was swapped for black, and comes with boxes and warranty.

  • Case Size: 45.5mm
  • Strap Color: black (previously orange)
  • Includes: boxes,warranty
Posted at
Apr 18, 2026, 10:56 PM
Active
[wts] Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Omega Seamaster Planet Ocean 8500 Orange😍🍊 45.5mm 232.32.46.21.01.001

Additional Details: Omega Seamaster Planet Ocean 8500 with a 45.5mm diameter.

  • Condition: great condition
  • Diameter: 45.5mm
Posted at
Apr 18, 2026, 10:47 PM
Active
[wts] Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

Omega Seamaster Planet Ocean Chronograph 45.5mm 232.30.46.51.01.001

This Omega Seamaster Planet Ocean Chronograph is a 45.5mm watch with additional details not specified in the description.

  • Condition: Excellent condition and full set
  • Case size: 45.5mm diameter
Posted at
Apr 18, 2026, 10:42 PM
Active
[WTS] Brand New 2026 Omega Seamaster 300M “James Bond 60th Anniversary” – Full Set Ref: 210.30.42.20.03.002 $7,500

Brand New 2026 Omega Seamaster 300M “James Bond 60th Anniversary” – Full Set Ref: 210.30.42.20.03.002 $7,500

The Omega Seamaster 300M 'James Bond 60th Anniversary' is a limited-edition tribute to GoldenEye with unique vintage cues and a standout caseback. It features a stainless steel mesh-style bracelet, no-date configuration, and Co-Axial Master Chronometer Calibre 8806.

  • Condition: Brand New / Unworn / Fully Stickered
  • Case size: 42mm diameter
  • Water resistance: 300m
Posted at
Apr 18, 2026, 10:37 PM
Active
[WTS] Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$5500

Omega Seamaster Aqua Terra Ref 220.10.41.21.02.001 - 41mm FULL SET! -$5500

A used Omega Seamaster Aqua Terra with a 41mm case size, sold as part of a full set including box and papers.

  • Condition: Pre-owned
  • Case size: 41mm
  • Box: true
Posted at
Apr 18, 2026, 5:54 PM
Active