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] Omega Seamaster Aqua Terra 150 M – 38 mm (Ref. 220.10.38.20.03.005)

Omega Seamaster Aqua Terra 150 M – 38 mm (Ref. 220.10.38.20.03.005)

This Omega Seamaster Aqua Terra 150 M is a versatile timepiece that perfectly balances sportiness and sophistication, making it ideal for daily wear.

  • Condition: Very good condition with light surface scratches
  • Case size: 38mm diameter
  • Movement: Master Chronometer-certified automatic calibre 8800 with approximately 55 hours power reserve
  • Water resistance: 150m (15 ATM)
Posted at
Oct 21, 2025, 9:15 PM
Active
[WTS] Omega Seamaster Professional Auto 41MM Blue Dial SS 300M Watch 7” 2531.80.00

Omega Seamaster Professional Auto 41MM Blue Dial SS 300M Watch 7” 2531.80.00

Omega - 2531.80.00 · $2,499
This Omega Seamaster Professional Auto is a 41MM stainless steel watch with a blue dial and a 300M water resistance. It has a 7-day power reserve.

  • Condition: Super clean, running and setting properly
  • Depth Rating: 300m
  • Case Material: stainless steel
  • Diameter: 41mm
Posted at
Oct 21, 2025, 8:50 PM
Active
[WTS] Omega Seamaster Professional 300M 2201.51 – Black/Orange, 42mm – $2800 / $3300 w/ micro-adjust clasp

Omega Seamaster Professional 300M 2201.51 – Black/Orange, 42mm – $2800 / $3300 w/ micro-adjust clasp

Omega - 2201.51 · $2,800
This Omega Seamaster Professional 300M features a black dial with orange accents, 42mm case, and the 2500 Co-Axial movement, giving it a classic Planet Ocean look. It's a super wearable size and is in great shape overall.

  • Condition: Excellent
  • Case Size: 42mm
  • Movement: 2500 Co-Axial movement
  • Clasp Setup: includes micro-adjust clasp setup
Posted at
Oct 21, 2025, 8:22 PM
Active
[WTS] Omega Seamaster Professional 300M “Blue Wave Dial” – Ref. 2551.80

Omega Seamaster Professional 300M “Blue Wave Dial” – Ref. 2551.80

Omega - 2551.80 · $1,925
This Omega Seamaster Professional 300M features a deep blue wave dial, measuring 36mm in diameter, with a smooth-running movement and a crystal free of scratches or chips.

  • Condition: Very good overall condition with signs of wear on the case and bracelet.
  • Case size: 36mm
  • Bracelet links: 11
  • Movement status: Smoothly running
Posted at
Oct 21, 2025, 8:16 PM
Active
[WTS] Omega Seamaster Planet Ocean Chronograph 45.5mm Orange 2218.50

Omega Seamaster Planet Ocean Chronograph 45.5mm Orange 2218.50

Omega - 2218.50 · $2,499
This Omega Seamaster Planet Ocean Chronograph features a 45.5mm case and is equipped with a chronograph function. It has been used and could benefit from a service to improve its accuracy.

  • Condition: Pre-owned, minor scratches
  • Depth rating: 600m
  • Bracelet type: Aftermarket
  • Movement accuracy: -20 sec per day
Posted at
Oct 21, 2025, 5:48 PM
Active
[WTS] Omega Seamaster 2255.80 Electric Blue

Omega Seamaster 2255.80 Electric Blue

Omega - 2255.80 · $2,700
This Omega Seamaster 2255.80 features a 41mm electric blue case with automatic caliber 1120, 44 hour power reserve, and 300m water resistance.

  • Condition: 8/10, minor/micro scratches throughout the case and bracelet
  • Case Size: 41mm
  • Thickness: 12mm
  • Power Reserve: 44 hours
Posted at
Oct 21, 2025, 5:31 PM
Active
[WTS] OMEGA Seamaster Planet Ocean Diver, XL 45.5MM, Automatic Black Dial, SS Bracelet 2200.50

OMEGA Seamaster Planet Ocean Diver, XL 45.5MM, Automatic Black Dial, SS Bracelet 2200.50

OMEGA - 2200.50 · $3,800
The OMEGA Seamaster Planet Ocean is a serious diver with a 45.5mm steel presence, black dial, and 600 meters of water resistance.

  • Condition: preowned with minor flaws (swirls on dial)
  • Bracelet material: SS
  • Water resistance: 600m
Posted at
Oct 21, 2025, 4:00 PM
Active
[WTS] OMEGA Seamaster Planet Ocean 600M

OMEGA Seamaster Planet Ocean 600M

A brand new Omega Seamaster Planet Ocean 600M purchased from an Authorized Dealer in 2021, serviced by Omega in 2023 and showing normal light wear.

  • Condition: Excellent condition, lightly worn from desk use
  • Purchase Year: 2021
  • Serviced By: Omega
  • Bezel Replaced: due to slight looseness
Posted at
Oct 21, 2025, 2:31 PM
Active
[WTS] 2024 OMEGA Seamaster Aqua Terra “Shades” Terracotta 220.10.38.20.13.003 38mm Full Set

2024 OMEGA Seamaster Aqua Terra “Shades” Terracotta 220.10.38.20.13.003 38mm Full Set

This 2024 OMEGA Seamaster Aqua Terra Shades Terracotta features a rich sunburst red dial and is powered by the Co-axial master chronometer calibre 8800 movement.

  • Condition: Excellent Pre-Owned condition
  • Movement: Automatic (Self Winding)
  • Power reserve: 72hrs
  • Case size: 38mm diameter
Posted at
Oct 21, 2025, 12:48 PM
Active