Omega Seamaster Seamaster Master Co-Axial 39.5 Hong Kong Edition Stainless Steel / Red / Alligator
Reference 511.13.40.20.11.001
About this watch
The Omega Seamaster Master Co-Axial 39.5 Hong Kong Edition is a masterpiece of horological innovation. This stunning timepiece boasts a vibrant red dial, paired with an elegant alligator leather strap and a durable stainless steel case. The Omega Caliber 8800 self-winding movement is a marvel of engineering, featuring a Co-Axial escapement that reduces friction and enhances accuracy. Certified as a Master Chronometer by METAS, this watch is resistant to magnetic fields up to 15,000 gauss. With a power reserve of 55 hours and water resistance of 60 meters, it's perfect for everyday wear and special occasions. The limited production run of only 399 units makes it a highly sought-after collector's piece.
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Key Features
- Self-winding Omega Caliber 8800 movement
- Co-Axial escapement for improved accuracy
- Master Chronometer certification by METAS
- Water resistance up to 60 meters
- Power reserve of 55 hours
- Stainless steel case with durable design
- Scratch-resistant sapphire crystal
- Elegant alligator leather strap
Specifications
- Brand
- Omega
- Family
- Seamaster
- Model
- Seamaster Master Co-Axial 39.5 Hong Kong Edition Stainless Steel / Red / Alligator
- Reference
- 511.13.40.20.11.001
- Movement
- 8800
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- Stainless Steel 39.5mm
- Dial Color
- Red
- Crystal
- Sapphire
- Water Resistance
- 60
Current Listings

Near Mint! Omega Seamaster Pro 20mm Bond Bracelet 1503/825 - Fits 41mm Bond Models 2531.80/2541.80
This Omega Seamaster Pro SMP bracelet is being sold with a non-profit organization, and it's a near mint condition stainless steel model that fits all 41mm non-chronograph Seamaster Pro models. It comes with 10 full links plus 2 half links, measuring approximately 8 inches when laid flat.
- Condition: near mint
- Lug width: 20mm
- Bracelet length: approximately 8"
- Links included: 10 full + 2 half
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Omega Seamaster Aqua Terra (ref. 231.10.41.21.02.003) 41mm White Dial - Box and Papers - Mint
This Omega Seamaster Aqua Terra features a 41mm white dial, textured pattern, and comes with full set from 2016.
- Condition: Mint
- Size: 41mm diameter
- Bracelet type: full bracelet
![[WTS] Omega Seamaster Aqua Terra 2503.33 | Blue Indices $2,650](https://external-preview.redd.it/Z23CdO8aZF-HV3au4S_-y5Urc9qFx-tPMWIe49yDonE.jpeg?auto=webp&s=eb3b7243be141432cbe44aa81d710cb10aa67b37)
Omega Seamaster Aqua Terra 2503.33 | Blue Indices $2,650
This Omega Seamaster Aqua Terra features a white dial and blue indices, powered by the reliable 2500-series co-axial chronometer movement.
- Condition: Preowned - Good
- Movement: co-axial chronometer
- Diameter: 39mm
- Case material: unknown
![[WTS] Omega OEM Seamaster Pro 300M Black Rubber Strap](https://external-preview.redd.it/IxtfuXcJP7FwD54MsCGEPaWLxe4CCEiAdUE-2RfH48g.jpeg?auto=webp&s=b06738967d35aa72f96f19a095a3028c34061215)
Omega OEM Seamaster Pro 300M Black Rubber Strap
This Omega Seamaster Pro 300M is a high-end watch featuring a black rubber strap. The strap is in excellent condition with no signs of wear.
- Condition: great shape
- Material: Black Rubber Strap
- Strap type: 2-piece OEM strap
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Omega Seamaster Railmaster 220.10.40.20.01.001
The Omega Seamaster Railmaster is a timepiece built for railway workers and scientists to handle magnetic fields up to 15,000 gauss. It features a 40mm stainless steel case with a vertically brushed black dial and vintage-style lume.
- Condition: near-mint condition, purchased in 2022 and hardly worn
- Case material: stainless steel
- Bracelet material: stainless steel
- Water resistance depth: 150 meters

Omega Seamaster 300M - Grey / Titanium Diver - 210.32.42.20.06.002 ( new )
A brand new Omega Seamaster 300M 42mm Grey Dial / Titanium Bezel on Rubber Strap, complete with all boxes, papers, booklets, hang tag and Omega Warranty Card dated May 2025.
- Condition: Brand New / Complete Set
- Case material: Stainless Steel
- Movement: 8806 Master Co-Axial Movement
- Size: 42mm diameter
![[WTS] 2022 Omega Seamaster Professional 42mm 210.30.42.20.06.001](https://external-preview.redd.it/9EOi13Bfa_Qr3_D2UUThIn6CaLQZBzN5wkaxaPNmSac.jpeg?auto=webp&s=a068976aea308cf4dd2ca70e3f8af36bbb3aec92)
2022 Omega Seamaster Professional 42mm 210.30.42.20.06.001
2022 Omega Seamaster Professional 300, 42mm, in great condition, with additional accessories.
- Condition: Pre-Owned, great condition with marks on bracelet and clasp
- Case Diameter: 42mm
- Movement Rating: Master Chronometer
Omega Seamaster Boutique Edition Red Steel 39.5mm 511.13.40.20.11.002 Bracelet Automatic
This Omega Seamaster Boutique Edition is a pre-owned, automatic watch with a stainless steel case and red dial.
- Condition: Excellent
- Case diameter: 39.5mm
- Water resistance: 150m/500ft
- Bracelet length: fits 7.5' wrist on last hole position
Omega Seamaster Planet Ocean Titanium Blue 45.5mm 232.92.46.21.03.001 Strap
This Omega Seamaster Planet Ocean GMT Titanium Blue is a pre-owned watch with a 45.5mm titanium case and blue rotating bezel.
- Condition: Very good condition
- Case diameter: 45.5mm
- Movement: Omega Automatic Self-Winding 8500
- Crystal: Sapphire