Omega Seamaster Seamaster Master Co-Axial 39.5 Omega Boutique Edition Stainless Steel / Red / Alligator
Reference 511.13.40.20.11.002
About this watch
The Omega Seamaster Master Co-Axial 39.5 is a masterpiece that embodies the spirit of Omega's rich heritage in watchmaking. Founded in 1848, Omega has built a legacy of quality and precision in the world of horology. This particular model, known by its reference number 511.13.40.20.11.002, boasts aesthetic appeal, advanced technological attributes, and a stunning red gradient dial that exudes confidence. The automatic movement, Omega caliber 8800, provides remarkable accuracy and reliability with a self-winding mechanism and Co-Axial escapement. With a power reserve of 55 hours and Master Chronometer certification, this watch can handle whatever life throws at it. The stainless steel case offers durability and elegance, while the alligator leather strap provides comfort and luxury feel. This timepiece is incredibly versatile, transitioning seamlessly from day to night, making it an excellent choice for those who appreciate a watch that can do it all.
Key Features
- Automatic Omega caliber 8800 movement
- Stunning red gradient dial with gradient finish
- Durable stainless steel case and water resistance up to 60 meters
- Luxurious alligator leather strap
- Master Chronometer certification for precision and reliability
- Power reserve of 55 hours and self-winding mechanism
Specifications
- Brand
- Omega
- Family
- Seamaster
- Model
- Seamaster Master Co-Axial 39.5 Omega Boutique Edition Stainless Steel / Red / Alligator
- Reference
- 511.13.40.20.11.002
- 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
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Omega Seamaster Planet Ocean GMT - 232.30.44.22.01.001 - Excellent condition - B&P - 2019
- Condition: Excellent
- Band: B&P (bracelet and strap)
- Year: 2019
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Omega Seamaster 300 Diver OEM Stainless Steel Bracelet £290
OEM stainless steel bracelet
- Bracelet material: stainless steel
![[WTS] Omega Seamaster Day Date 168.023](https://preview.redd.it/tzfyzv6tw5af1.jpg?width=640&crop=smart&auto=webp&s=bb4eaf5aa551dce4bc365a222d09b73167ebebf8)
Omega Seamaster Day Date 168.023
A 1969 Omega Seamaster with a 36.5mm gold-capped case, featuring a super clean sea monster case back medallion and a sparkle dial in mint, original factory condition.
- Condition: Excellent, mint condition for being 56 years old
- Case size: 36.5mm
- Movement: 28 MIL Caliber 751 automatic 24-jewel movement
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Omega Seamaster Quartz 41mm 1650$
The Omega Seamaster Quartz features a blue wave dial and aluminium bezel, suitable for an approximately 7.5-inch wrist.
- Condition: nice condition with some signs of wear
- Material: aluminium
- Dial color: blue
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Gold Capped Vintage Omega Seamaster Ref 2846 PRICE DROP
A vintage Omega Seamaster from 1954 with a self-winding Cal 501 movement and original two-tone dial. The gold capped case has some wear, but the watch keeps good time.
- Condition: fair
- Movement: self winding Cal 501
- Dial condition: nice patina throughout
- Case condition: fair with wear shown throughout

Omega Seamaster 300 - Black Wave Dial - 210.30.42.20.01.001 ( new / 2025 )
Up for sale is a brand new Omega Seamaster 300 42mm 8800, Black Dial / Bezel on Bracelet - reference # 210.30.42.20.01.001 It comes complete with all boxes, papers, booklets, hang tag and Omega Warranty Card dated February 2025.
- Condition: Brand new
- Case size: 42mm
- Movement: 8800 Master Co-Axial Movement

Omega Seamaster 300M - Black Dial - Diver - 210.32.42.20.01.001 ( new / 2025 )
A brand new Omega Seamaster 300 42mm Black Wave Dial on Rubber Strap, featuring a stainless steel case and 8800 Master Co-Axial Movement.
- Condition: Brand new
- Case size: 42mm diameter
- Material: stainless steel
- Movement: 8800 Master Co-Axial
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Omega Seamaster Diver 300M 210.22.42.20.01.002 – Black/Gold – Full Set
This is a two-tone Omega Seamaster Diver 300M with a black ceramic dial and bezel, paired with 18k Sedna gold accents.
- Condition: Lightly worn with normal desk-diving wear
- Case size: 42mm diameter
- Water resistance: 300m depth rating
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Omega Seamaster 34mm cal.420 Denisteel $440
A vintage Omega Seamaster 34mm cal. 420 in a Denisteel case from 1956, assembled in England to avoid costly import fees on cased watches from Switzerland.
- Condition: Great shape with some signs of wear
- Case size: 34mm (diameter), 41.5mm (lug to lug)
- Lug width: 18mm
- Crystal condition: Authentic with inner crack between 3 and 4 o'clock